1022202011021 has 4 divisors (see below), whose sum is σ = 1022204044992. Its totient is φ = 1022199977052.

The previous prime is 1022202010993. The next prime is 1022202011027. The reversal of 1022202011021 is 1201102022201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022202011021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022202010987 and 1022202011005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022202011027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343790 + ... + 1470576.

It is an arithmetic number, because the mean of its divisors is an integer number (255551011248).

Almost surely, 2^{1022202011021} is an apocalyptic number.

It is an amenable number.

1022202011021 is a deficient number, since it is larger than the sum of its proper divisors (2033971).

1022202011021 is an equidigital number, since it uses as much as digits as its factorization.

1022202011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033970.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1022202011021 its reverse (1201102022201), we get a palindrome (2223304033222).

The spelling of 1022202011021 in words is "one trillion, twenty-two billion, two hundred two million, eleven thousand, twenty-one".