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112121010222001 = 1122748619237253
BaseRepresentation
bin11001011111100100110100…
…111111000111001110110001
3112200222122220222110211122021
4121133210310333013032301
5104143442312104101001
61034243403033511441
732421322104113644
oct3137446477071661
9480878828424567
10112121010222001
11327a8287310910
12106a9977572581
134a73c730c8991
141d98985d85a5b
15ce67d11e5ba1
hex65f934fc73b1

112121010222001 has 16 divisors (see below), whose sum is σ = 122877943201728. Its totient is φ = 101458281067200.

The previous prime is 112121010221981. The next prime is 112121010222049. The reversal of 112121010222001 is 100222010121211.

It is a cyclic number.

It is not a de Polignac number, because 112121010222001 - 27 = 112121010221873 is a prime.

It is a super-2 number, since 2×1121210102220012 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112121010222061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7519291 + ... + 16756543.

It is an arithmetic number, because the mean of its divisors is an integer number (7679871450108).

Almost surely, 2112121010222001 is an apocalyptic number.

112121010222001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112121010222001 is a deficient number, since it is larger than the sum of its proper divisors (10756932979727).

112121010222001 is a wasteful number, since it uses less digits than its factorization.

112121010222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9242352.

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

Adding to 112121010222001 its reverse (100222010121211), we get a palindrome (212343020343212).

The spelling of 112121010222001 in words is "one hundred twelve trillion, one hundred twenty-one billion, ten million, two hundred twenty-two thousand, one".

Divisors: 1 11 227 2497 4861 53471 1103447 9237253 12137917 101609783 2096856431 23065420741 44902286833 493925155163 10192819111091 112121010222001