10021101002121 has 16 divisors (see below), whose sum is σ = 14581591996608. Its totient is φ = 6071125761600.

The previous prime is 10021101002113. The next prime is 10021101002137. The reversal of 10021101002121 is 12120010112001.

It is not a de Polignac number, because 10021101002121 - 2³ = 10021101002113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10021101002097 and 10021101002106.

It is not an unprimeable number, because it can be changed into a prime (10021101002141) 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, 56629950 + ... + 56806631.

It is an arithmetic number, because the mean of its divisors is an integer number (911349499788).

Almost surely, 2^{10021101002121} is an apocalyptic number.

10021101002121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10021101002121 is a deficient number, since it is larger than the sum of its proper divisors (4560490994487).

10021101002121 is a wasteful number, since it uses less digits than its factorization.

10021101002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113439272.

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

Adding to 10021101002121 its reverse (12120010112001), we get a palindrome (22141111114122).

The spelling of 10021101002121 in words is "ten trillion, twenty-one billion, one hundred one million, two thousand, one hundred twenty-one".