1021031120201 has 16 divisors (see below), whose sum is σ = 1041701240448. Its totient is φ = 1000414022400.

The previous prime is 1021031120183. The next prime is 1021031120237. The reversal of 1021031120201 is 1020211301201.

It is a cyclic number.

It is not a de Polignac number, because 1021031120201 - 2¹⁰ = 1021031119177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021031120701) 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 15 ways as a sum of consecutive naturals, for example, 223858961 + ... + 223863521.

It is an arithmetic number, because the mean of its divisors is an integer number (65106327528).

Almost surely, 2^{1021031120201} is an apocalyptic number.

It is an amenable number.

1021031120201 is a deficient number, since it is larger than the sum of its proper divisors (20670120247).

1021031120201 is a wasteful number, since it uses less digits than its factorization.

1021031120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9392.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1021031120201 its reverse (1020211301201), we get a palindrome (2041242421402).

The spelling of 1021031120201 in words is "one trillion, twenty-one billion, thirty-one million, one hundred twenty thousand, two hundred one".