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101211202211 = 7210120450839
BaseRepresentation
bin101111001000010101…
…0000110001010100011
3100200020120201210022212
41132100222012022203
53124240031432321
6114255031152335
710212052011200
oct1362052061243
9320216653285
10101211202211
1139a180a3269
12177475156ab
13970c726a42
144c81c68ca7
15297573955b
hex1790a862a3

101211202211 has 12 divisors (see below), whose sum is σ = 118901183760. Its totient is φ = 85893519600.

The previous prime is 101211202133. The next prime is 101211202237. The reversal of 101211202211 is 112202112101.

It is not a de Polignac number, because 101211202211 - 210 = 101211201187 is a prime.

It is a super-3 number, since 3×1012112022113 (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101211202271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10220471 + ... + 10230368.

It is an arithmetic number, because the mean of its divisors is an integer number (9908431980).

Almost surely, 2101211202211 is an apocalyptic number.

101211202211 is a deficient number, since it is larger than the sum of its proper divisors (17689981549).

101211202211 is a wasteful number, since it uses less digits than its factorization.

101211202211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20450954 (or 20450947 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 101211202211 its reverse (112202112101), we get a palindrome (213413314312).

The spelling of 101211202211 in words is "one hundred one billion, two hundred eleven million, two hundred two thousand, two hundred eleven".

Divisors: 1 7 49 101 707 4949 20450839 143155873 1002091111 2065534739 14458743173 101211202211