102021120201 has 128 divisors (see below), whose sum is σ = 189453422592. Its totient is φ = 47122560000.

The previous prime is 102021120181. The next prime is 102021120203.

102021120201 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 102021120201 - 2¹⁵ = 102021087433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102021120203) 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, 11217666 + ... + 11226756.

It is an arithmetic number, because the mean of its divisors is an integer number (1480104864).

Almost surely, 2^102021120201 is an apocalyptic number.

102021120201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102021120201 is a deficient number, since it is larger than the sum of its proper divisors (87432302391).

102021120201 is a wasteful number, since it uses less digits than its factorization.

102021120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9263.

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

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

The spelling of 102021120201 in words is "one hundred two billion, twenty-one million, one hundred twenty thousand, two hundred one".