1022002221002 has 32 divisors (see below), whose sum is σ = 1935717772032. Its totient is φ = 394312875264.

The previous prime is 1022002220989. The next prime is 1022002221007. The reversal of 1022002221002 is 2001222002201.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (1022002221007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93345113 + ... + 93356060.

It is an arithmetic number, because the mean of its divisors is an integer number (60491180376).

Almost surely, 2^{1022002221002} is an apocalyptic number.

1022002221002 is a deficient number, since it is larger than the sum of its proper divisors (913715551030).

1022002221002 is a wasteful number, since it uses less digits than its factorization.

1022002221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186701222.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1022002221002 its reverse (2001222002201), we get a palindrome (3023224223203).

The spelling of 1022002221002 in words is "one trillion, twenty-two billion, two million, two hundred twenty-one thousand, two".