10021002101121 has 32 divisors (see below), whose sum is σ = 15210627793920. Its totient is φ = 5808938379200.

The previous prime is 10021002101111. The next prime is 10021002101141. The reversal of 10021002101121 is 12110120012001.

It is not a de Polignac number, because 10021002101121 - 2⁶ = 10021002101057 is a prime.

It is a super-2 number, since 2×10021002101121² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10021002101097 and 10021002101106.

It is not an unprimeable number, because it can be changed into a prime (10021002101111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12966931 + ... + 13717991.

It is an arithmetic number, because the mean of its divisors is an integer number (475332118560).

Almost surely, 2^{10021002101121} is an apocalyptic number.

10021002101121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10021002101121 is a deficient number, since it is larger than the sum of its proper divisors (5189625692799).

10021002101121 is a wasteful number, since it uses less digits than its factorization.

10021002101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768677.

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

Adding to 10021002101121 its reverse (12110120012001), we get a palindrome (22131122113122).

The spelling of 10021002101121 in words is "ten trillion, twenty-one billion, two million, one hundred one thousand, one hundred twenty-one".