10120220211021 has 32 divisors (see below), whose sum is σ = 14020314071040. Its totient is φ = 6489574852800.

The previous prime is 10120220210963. The next prime is 10120220211047. The reversal of 10120220211021 is 12011202202101.

It is not a de Polignac number, because 10120220211021 - 2¹⁰ = 10120220209997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120220216021) 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, 391485 + ... + 4515938.

It is an arithmetic number, because the mean of its divisors is an integer number (438134814720).

Almost surely, 2^{10120220211021} is an apocalyptic number.

It is an amenable number.

10120220211021 is a deficient number, since it is larger than the sum of its proper divisors (3900093860019).

10120220211021 is a wasteful number, since it uses less digits than its factorization.

10120220211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4907737.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10120220211021 its reverse (12011202202101), we get a palindrome (22131422413122).

The spelling of 10120220211021 in words is "ten trillion, one hundred twenty billion, two hundred twenty million, two hundred eleven thousand, twenty-one".