1201122122110 has 32 divisors (see below), whose sum is σ = 2169451994112. Its totient is φ = 478797941280.

The previous prime is 1201122122099. The next prime is 1201122122129. The reversal of 1201122122110 is 112212211021.

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, 14834757 + ... + 14915503.

It is an arithmetic number, because the mean of its divisors is an integer number (67795374816).

Almost surely, 2^{1201122122110} is an apocalyptic number.

1201122122110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201122122110 is a deficient number, since it is larger than the sum of its proper divisors (968329872002).

1201122122110 is a wasteful number, since it uses less digits than its factorization.

1201122122110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85848.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1201122122110 its reverse (112212211021), we get a palindrome (1313334333131).

The spelling of 1201122122110 in words is "one trillion, two hundred one billion, one hundred twenty-two million, one hundred twenty-two thousand, one hundred ten".