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101222001202121 = 591715627139019
BaseRepresentation
bin10111000000111110010101…
…011011001101001111001001
3111021101201200022011111201222
4113000332111123031033021
5101231410124301431441
6555140425001251425
730215022360031562
oct2700762533151711
9437351608144658
10101222001202121
112a286011910038
12b429603493b75
1344632698b3b37
141add257311169
15ba803ac74d4b
hex5c0f956cd3c9

101222001202121 has 4 divisors (see below), whose sum is σ = 102937628341200. Its totient is φ = 99506374063044.

The previous prime is 101222001202117. The next prime is 101222001202129. The reversal of 101222001202121 is 121202100222101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101222001202121 - 22 = 101222001202117 is a prime.

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 101222001202121.

It is not an unprimeable number, because it can be changed into a prime (101222001202129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 857813569451 + ... + 857813569568.

It is an arithmetic number, because the mean of its divisors is an integer number (25734407085300).

Almost surely, 2101222001202121 is an apocalyptic number.

It is an amenable number.

101222001202121 is a deficient number, since it is larger than the sum of its proper divisors (1715627139079).

101222001202121 is an equidigital number, since it uses as much as digits as its factorization.

101222001202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715627139078.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 101222001202121 its reverse (121202100222101), we get a palindrome (222424101424222).

The spelling of 101222001202121 in words is "one hundred one trillion, two hundred twenty-two billion, one million, two hundred two thousand, one hundred twenty-one".

Divisors: 1 59 1715627139019 101222001202121