100010021211121 has 8 divisors (see below), whose sum is σ = 114299199967680. Its totient is φ = 85721350671888.

The previous prime is 100010021211109. The next prime is 100010021211127. The reversal of 100010021211121 is 121112120010001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100010021211121 - 2⁷ = 100010021210993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100010021211127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126632551 + ... + 127419868.

It is an arithmetic number, because the mean of its divisors is an integer number (14287399995960).

Almost surely, 2^{100010021211121} is an apocalyptic number.

It is an amenable number.

100010021211121 is a deficient number, since it is larger than the sum of its proper divisors (14289178756559).

100010021211121 is an equidigital number, since it uses as much as digits as its factorization.

100010021211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254108663.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 100010021211121 its reverse (121112120010001), we get a palindrome (221122141221122).

The spelling of 100010021211121 in words is "one hundred trillion, ten billion, twenty-one million, two hundred eleven thousand, one hundred twenty-one".