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102220011121201 = 531928679455117
BaseRepresentation
bin10111001111011111110011…
…011100111010101000110001
3111101221010201022220100102021
4113033133303130322220301
5101344233040321334301
61001223120321351441
730350103111260461
oct2717376334725061
9441833638810367
10102220011121201
112a630299453756
12b56ab0aa98581
1345063c87990ac
141b35691321ba1
15bc3e9c9378a1
hex5cf7f373aa31

102220011121201 has 4 divisors (see below), whose sum is σ = 104148690576372. Its totient is φ = 100291331666032.

The previous prime is 102220011121199. The next prime is 102220011121223. The reversal of 102220011121201 is 102121110022201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 84232912266801 + 17987098854400 = 9177849^2 + 4241120^2 .

It is a cyclic number.

It is not a de Polignac number, because 102220011121201 - 21 = 102220011121199 is a prime.

It is a super-2 number, since 2×1022200111212012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102220011121231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 964339727506 + ... + 964339727611.

It is an arithmetic number, because the mean of its divisors is an integer number (26037172644093).

Almost surely, 2102220011121201 is an apocalyptic number.

It is an amenable number.

102220011121201 is a deficient number, since it is larger than the sum of its proper divisors (1928679455171).

102220011121201 is an equidigital number, since it uses as much as digits as its factorization.

102220011121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928679455170.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102220011121201 its reverse (102121110022201), we get a palindrome (204341121143402).

The spelling of 102220011121201 in words is "one hundred two trillion, two hundred twenty billion, eleven million, one hundred twenty-one thousand, two hundred one".

Divisors: 1 53 1928679455117 102220011121201