1022001021031 has 4 divisors (see below), whose sum is σ = 1028120787792. Its totient is φ = 1015881254272.

The previous prime is 1022001020987. The next prime is 1022001021047. The reversal of 1022001021031 is 1301201002201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1022001021031 - 2¹³ = 1022001012839 is a prime.

It is a super-2 number, since 2×1022001021031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022001021071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3059883130 + ... + 3059883463.

It is an arithmetic number, because the mean of its divisors is an integer number (257030196948).

Almost surely, 2^{1022001021031} is an apocalyptic number.

1022001021031 is a deficient number, since it is larger than the sum of its proper divisors (6119766761).

1022001021031 is an equidigital number, since it uses as much as digits as its factorization.

1022001021031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6119766760.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1022001021031 its reverse (1301201002201), we get a palindrome (2323202023232).

The spelling of 1022001021031 in words is "one trillion, twenty-two billion, one million, twenty-one thousand, thirty-one".