1020120102201 has 32 divisors (see below), whose sum is σ = 1475517902848. Its totient is φ = 625462326720.

The previous prime is 1020120102191. The next prime is 1020120102227. The reversal of 1020120102201 is 1022010210201.

It is not a de Polignac number, because 1020120102201 - 2¹³ = 1020120094009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020120102901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3299251 + ... + 3595176.

It is an arithmetic number, because the mean of its divisors is an integer number (46109934464).

Almost surely, 2^{1020120102201} is an apocalyptic number.

It is an amenable number.

1020120102201 is a deficient number, since it is larger than the sum of its proper divisors (455397800647).

1020120102201 is a wasteful number, since it uses less digits than its factorization.

1020120102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6894541.

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

Adding to 1020120102201 its reverse (1022010210201), we get a palindrome (2042130312402).

The spelling of 1020120102201 in words is "one trillion, twenty billion, one hundred twenty million, one hundred two thousand, two hundred one".