1022212121102 has 32 divisors (see below), whose sum is σ = 1594068664320. Its totient is φ = 491312877120.

The previous prime is 1022212121057. The next prime is 1022212121129. The reversal of 1022212121102 is 2011212122201.

It is a congruent number.

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, 1058018 + ... + 1778714.

It is an arithmetic number, because the mean of its divisors is an integer number (49814645760).

Almost surely, 2^{1022212121102} is an apocalyptic number.

1022212121102 is a deficient number, since it is larger than the sum of its proper divisors (571856543218).

1022212121102 is a wasteful number, since it uses less digits than its factorization.

1022212121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721016.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1022212121102 its reverse (2011212122201), we get a palindrome (3033424243303).

The spelling of 1022212121102 in words is "one trillion, twenty-two billion, two hundred twelve million, one hundred twenty-one thousand, one hundred two".