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122011101313221 = 341227986498341
BaseRepresentation
bin11011101111011111101100…
…010110100011100011000101
3121000000010222102201000202110
4123233133230112203203011
5111443012213414010341
61111255043125331233
734462003555250001
oct3357375426434305
9530003872630673
10122011101313221
1135970687960a1a
121182669ab66b19
13531079c89bb23
14221b524043701
15e18bc7036216
hex6ef7ec5a38c5

122011101313221 has 8 divisors (see below), whose sum is σ = 162685414575904. Its totient is φ = 81338761129680.

The previous prime is 122011101313219. The next prime is 122011101313223. The reversal of 122011101313221 is 122313101110221.

It is an interprime number because it is at equal distance from previous prime (122011101313219) and next prime (122011101313223).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122011101313221 - 21 = 122011101313219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122011101313223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493125490 + ... + 493372851.

It is an arithmetic number, because the mean of its divisors is an integer number (20335676821988).

Almost surely, 2122011101313221 is an apocalyptic number.

It is an amenable number.

122011101313221 is a deficient number, since it is larger than the sum of its proper divisors (40674313262683).

122011101313221 is an equidigital number, since it uses as much as digits as its factorization.

122011101313221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986539571.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 122011101313221 its reverse (122313101110221), we get a palindrome (244324202423442).

The spelling of 122011101313221 in words is "one hundred twenty-two trillion, eleven billion, one hundred one million, three hundred thirteen thousand, two hundred twenty-one".

Divisors: 1 3 41227 123681 986498341 2959495023 40670367104407 122011101313221