1222220101102 has 32 divisors (see below), whose sum is σ = 2461534193664. Its totient is φ = 439559676000.

The previous prime is 1222220101099. The next prime is 1222220101163. The reversal of 1222220101102 is 2011010222221.

It is a happy number.

It is a super-2 number, since 2×1222220101102² (a number of 25 digits) contains 22 as substring.

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, 305247774 + ... + 305251777.

It is an arithmetic number, because the mean of its divisors is an integer number (76922943552).

Almost surely, 2^{1222220101102} is an apocalyptic number.

1222220101102 is an abundant number, since it is smaller than the sum of its proper divisors (1239314092562).

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

1222220101102 is a wasteful number, since it uses less digits than its factorization.

1222220101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610499584.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1222220101102 its reverse (2011010222221), we get a palindrome (3233230323323).

The spelling of 1222220101102 in words is "one trillion, two hundred twenty-two billion, two hundred twenty million, one hundred one thousand, one hundred two".