1222120011102 has 64 divisors (see below), whose sum is σ = 2519827107840. Its totient is φ = 394962723584.

The previous prime is 1222120011097. The next prime is 1222120011103. The reversal of 1222120011102 is 2011100212221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222120011103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51582703 + ... + 51606389.

It is an arithmetic number, because the mean of its divisors is an integer number (39372298560).

Almost surely, 2^{1222120011102} is an apocalyptic number.

1222120011102 is an abundant number, since it is smaller than the sum of its proper divisors (1297707096738).

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

1222120011102 is a wasteful number, since it uses less digits than its factorization.

1222120011102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25657.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1222120011102 its reverse (2011100212221), we get a palindrome (3233220223323).

The spelling of 1222120011102 in words is "one trillion, two hundred twenty-two billion, one hundred twenty million, eleven thousand, one hundred two".