100101010021121 has 16 divisors (see below), whose sum is σ = 103356437065728. Its totient is φ = 96847234146000.

The previous prime is 100101010021099. The next prime is 100101010021171. The reversal of 100101010021121 is 121120010101001.

It is a cyclic number.

It is not a de Polignac number, because 100101010021121 - 2¹⁰ = 100101010020097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100101010021171) 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, 2472647546 + ... + 2472688028.

It is an arithmetic number, because the mean of its divisors is an integer number (6459777316608).

Almost surely, 2^{100101010021121} is an apocalyptic number.

It is an amenable number.

100101010021121 is a deficient number, since it is larger than the sum of its proper divisors (3255427044607).

100101010021121 is a wasteful number, since it uses less digits than its factorization.

100101010021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58892.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 100101010021121 its reverse (121120010101001), we get a palindrome (221221020122122).

The spelling of 100101010021121 in words is "one hundred trillion, one hundred one billion, ten million, twenty-one thousand, one hundred twenty-one".