120201102021 has 128 divisors (see below), whose sum is σ = 223209971712. Its totient is φ = 55520640000.

The previous prime is 120201102011. The next prime is 120201102053.

120201102021 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 120201102021 - 2¹⁰ = 120201100997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120201101988 and 120201102006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120201102001) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11216856 + ... + 11227566.

It is an arithmetic number, because the mean of its divisors is an integer number (1743827904).

Almost surely, 2^120201102021 is an apocalyptic number.

120201102021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120201102021 is a deficient number, since it is larger than the sum of its proper divisors (103008869691).

120201102021 is a wasteful number, since it uses less digits than its factorization.

120201102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10883.

The product of its (nonzero) digits is 16, while the sum is 12.

It can be divided in two parts, 120201 and 102021, that added together give a palindrome (222222).

The spelling of 120201102021 in words is "one hundred twenty billion, two hundred one million, one hundred two thousand, twenty-one".