102121100132 has 6 divisors (see below), whose sum is σ = 178711925238. Its totient is φ = 51060550064.

The previous prime is 102121100131. The next prime is 102121100149. The reversal of 102121100132 is 231001121201.

It can be written as a sum of positive squares in only one way, i.e., 95353734436 + 6767365696 = 308794^2 + 82264^2 .

It is not an unprimeable number, because it can be changed into a prime (102121100131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12765137513 + ... + 12765137520.

It is an arithmetic number, because the mean of its divisors is an integer number (29785320873).

Almost surely, 2^102121100132 is an apocalyptic number.

It is an amenable number.

102121100132 is a deficient number, since it is larger than the sum of its proper divisors (76590825106).

102121100132 is a wasteful number, since it uses less digits than its factorization.

102121100132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25530275037 (or 25530275035 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 102121100132 its reverse (231001121201), we get a palindrome (333122221333).

The spelling of 102121100132 in words is "one hundred two billion, one hundred twenty-one million, one hundred thousand, one hundred thirty-two".