1221431130114 has 32 divisors (see below), whose sum is σ = 2630863597824. Its totient is φ = 375812269440.

The previous prime is 1221431130103. The next prime is 1221431130131. The reversal of 1221431130114 is 4110311341221.

It is a super-2 number, since 2×1221431130114² (a number of 25 digits) contains 22 as substring.

It is a Curzon 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, 2206807 + ... + 2704229.

It is an arithmetic number, because the mean of its divisors is an integer number (82214487432).

Almost surely, 2^{1221431130114} is an apocalyptic number.

1221431130114 is an abundant number, since it is smaller than the sum of its proper divisors (1409432467710).

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

1221431130114 is a wasteful number, since it uses less digits than its factorization.

1221431130114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528922.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 1221431130114 its reverse (4110311341221), we get a palindrome (5331742471335).

The spelling of 1221431130114 in words is "one trillion, two hundred twenty-one billion, four hundred thirty-one million, one hundred thirty thousand, one hundred fourteen".