10020212211121 has 64 divisors (see below), whose sum is σ = 13015048273920. Its totient is φ = 7507377146880.

The previous prime is 10020212211071. The next prime is 10020212211127. The reversal of 10020212211121 is 12111221202001.

It is a cyclic number.

It is not a de Polignac number, because 10020212211121 - 2⁹ = 10020212210609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10020212211095 and 10020212211104.

It is not an unprimeable number, because it can be changed into a prime (10020212211127) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 147480460 + ... + 147548386.

It is an arithmetic number, because the mean of its divisors is an integer number (203360129280).

Almost surely, 2^{10020212211121} is an apocalyptic number.

It is an amenable number.

10020212211121 is a deficient number, since it is larger than the sum of its proper divisors (2994836062799).

10020212211121 is a wasteful number, since it uses less digits than its factorization.

10020212211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69254.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10020212211121 its reverse (12111221202001), we get a palindrome (22131433413122).

The spelling of 10020212211121 in words is "ten trillion, twenty billion, two hundred twelve million, two hundred eleven thousand, one hundred twenty-one".