1022102220021 has 32 divisors (see below), whose sum is σ = 1379035348992. Its totient is φ = 673341024960.

The previous prime is 1022102219993. The next prime is 1022102220037. The reversal of 1022102220021 is 1200222012201.

It is not a de Polignac number, because 1022102220021 - 2⁵ = 1022102219989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022102225021) 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, 94102131 + ... + 94112991.

It is an arithmetic number, because the mean of its divisors is an integer number (43094854656).

Almost surely, 2^{1022102220021} is an apocalyptic number.

It is an amenable number.

1022102220021 is a deficient number, since it is larger than the sum of its proper divisors (356933128971).

1022102220021 is a wasteful number, since it uses less digits than its factorization.

1022102220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12113.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1022102220021 its reverse (1200222012201), we get a palindrome (2222324232222).

The spelling of 1022102220021 in words is "one trillion, twenty-two billion, one hundred two million, two hundred twenty thousand, twenty-one".