100220121010121 has 16 divisors (see below), whose sum is σ = 121671665174400. Its totient is φ = 80635130805888.

The previous prime is 100220121010103. The next prime is 100220121010183. The reversal of 100220121010121 is 121010121022001.

It is a cyclic number.

It is not a de Polignac number, because 100220121010121 - 2³⁴ = 100202941140937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100220121010096 and 100220121010105.

It is not an unprimeable number, because it can be changed into a prime (100220121000121) 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, 3456566900 + ... + 3456595893.

It is an arithmetic number, because the mean of its divisors is an integer number (7604479073400).

Almost surely, 2^{100220121010121} is an apocalyptic number.

It is an amenable number.

100220121010121 is a deficient number, since it is larger than the sum of its proper divisors (21451544164279).

100220121010121 is a wasteful number, since it uses less digits than its factorization.

100220121010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6913162928.

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

Adding to 100220121010121 its reverse (121010121022001), we get a palindrome (221230242032122).

The spelling of 100220121010121 in words is "one hundred trillion, two hundred twenty billion, one hundred twenty-one million, ten thousand, one hundred twenty-one".