1200122021102 has 32 divisors (see below), whose sum is σ = 1918995188544. Its totient is φ = 560944742400.

The previous prime is 1200122021083. The next prime is 1200122021113. The reversal of 1200122021102 is 2011202210021.

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, 3995702 + ... + 4285542.

It is an arithmetic number, because the mean of its divisors is an integer number (59968599642).

Almost surely, 2^{1200122021102} is an apocalyptic number.

1200122021102 is a deficient number, since it is larger than the sum of its proper divisors (718873167442).

1200122021102 is a wasteful number, since it uses less digits than its factorization.

1200122021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290684.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1200122021102 its reverse (2011202210021), we get a palindrome (3211324231123).

The spelling of 1200122021102 in words is "one trillion, two hundred billion, one hundred twenty-two million, twenty-one thousand, one hundred two".