1201022122110 has 32 divisors (see below), whose sum is σ = 2889019077120. Its totient is φ = 319543012128.

The previous prime is 1201022122093. The next prime is 1201022122147. The reversal of 1201022122110 is 112212201021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1201022122110.

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, 45583722 + ... + 45610061.

It is an arithmetic number, because the mean of its divisors is an integer number (90281846160).

Almost surely, 2^{1201022122110} is an apocalyptic number.

1201022122110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201022122110 is an abundant number, since it is smaller than the sum of its proper divisors (1687996955010).

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

1201022122110 is a wasteful number, since it uses less digits than its factorization.

1201022122110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91194232.

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

Adding to 1201022122110 its reverse (112212201021), we get a palindrome (1313234323131).

The spelling of 1201022122110 in words is "one trillion, two hundred one billion, twenty-two million, one hundred twenty-two thousand, one hundred ten".