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122201112010211 = 13217251169459457
BaseRepresentation
bin11011110010010000101001…
…110111110101110111100011
3121000200022102121100112122022
4123302100221313311313203
5112004120334133311321
61111522225454132055
734511511321443423
oct3362205167656743
9530608377315568
10122201112010211
1135a34222a539a3
12118574891b102b
1353256914a7700
1422267cb588483
15e1dae8511dab
hex6f2429df5de3

122201112010211 has 24 divisors (see below), whose sum is σ = 140666262572304. Its totient is φ = 105742700544000.

The previous prime is 122201112010207. The next prime is 122201112010267. The reversal of 122201112010211 is 112010211102221.

It is not a de Polignac number, because 122201112010211 - 22 = 122201112010207 is a prime.

It is a super-2 number, since 2×1222011120102112 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122201112010211.

It is not an unprimeable number, because it can be changed into a prime (122201112010511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84008606 + ... + 85450851.

It is an arithmetic number, because the mean of its divisors is an integer number (5861094273846).

Almost surely, 2122201112010211 is an apocalyptic number.

122201112010211 is a deficient number, since it is larger than the sum of its proper divisors (18465150562093).

122201112010211 is a wasteful number, since it uses less digits than its factorization.

122201112010211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169459751 (or 169459738 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 122201112010211 its reverse (112010211102221), we get a palindrome (234211323112432).

The spelling of 122201112010211 in words is "one hundred twenty-two trillion, two hundred one billion, one hundred twelve million, ten thousand, two hundred eleven".

Divisors: 1 13 17 169 221 251 2873 3263 4267 42419 55471 721123 169459457 2202972941 2880810769 28638648233 37450539997 42534323707 486857019961 552946208191 723083503019 7188300706483 9400085539247 122201112010211