1421102131 has 12 divisors (see below), whose sum is σ = 1588065912. Its totient is φ = 1267107264.

The previous prime is 1421102119. The next prime is 1421102159. The reversal of 1421102131 is 1312011241.

It is not a de Polignac number, because 1421102131 - 2¹⁷ = 1420971059 is a prime.

It is a super-2 number, since 2×1421102131² = 4039062533465482322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421106131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109645 + ... + 121918.

It is an arithmetic number, because the mean of its divisors is an integer number (132338826).

Almost surely, 2^1421102131 is an apocalyptic number.

1421102131 is a deficient number, since it is larger than the sum of its proper divisors (166963781).

1421102131 is a wasteful number, since it uses less digits than its factorization.

1421102131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231618 (or 231599 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1421102131 is about 37697.5082863576. The cubic root of 1421102131 is about 1124.2815840555.

Adding to 1421102131 its reverse (1312011241), we get a palindrome (2733113372).

The spelling of 1421102131 in words is "one billion, four hundred twenty-one million, one hundred two thousand, one hundred thirty-one".