1022201221002 has 32 divisors (see below), whose sum is σ = 2201732705088. Its totient is φ = 314513661696.

The previous prime is 1022201220983. The next prime is 1022201221021. The reversal of 1022201221002 is 2001221022201.

It is an interprime number because it is at equal distance from previous prime (1022201220983) and next prime (1022201221021).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2555533 + ... + 2928335.

It is an arithmetic number, because the mean of its divisors is an integer number (68804147034).

Almost surely, 2^{1022201221002} is an apocalyptic number.

1022201221002 is an abundant number, since it is smaller than the sum of its proper divisors (1179531484086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022201221002 is a wasteful number, since it uses less digits than its factorization.

1022201221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407974.

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

Adding to 1022201221002 its reverse (2001221022201), we get a palindrome (3023422243203).

The spelling of 1022201221002 in words is "one trillion, twenty-two billion, two hundred one million, two hundred twenty-one thousand, two".