10021001102121 has 16 divisors (see below), whose sum is σ = 13375367771840. Its totient is φ = 6673652354880.

The previous prime is 10021001102111. The next prime is 10021001102149. The reversal of 10021001102121 is 12120110012001.

It is not a de Polignac number, because 10021001102121 - 2¹⁴ = 10021001085737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10021001102097 and 10021001102106.

It is not an unprimeable number, because it can be changed into a prime (10021001102111) 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, 28499046 + ... + 28848528.

It is an arithmetic number, because the mean of its divisors is an integer number (835960485740).

Almost surely, 2^{10021001102121} is an apocalyptic number.

It is an amenable number.

10021001102121 is a deficient number, since it is larger than the sum of its proper divisors (3354366669719).

10021001102121 is a wasteful number, since it uses less digits than its factorization.

10021001102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359496.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10021001102121 its reverse (12120110012001), we get a palindrome (22141111114122).

The spelling of 10021001102121 in words is "ten trillion, twenty-one billion, one million, one hundred two thousand, one hundred twenty-one".