102121144130 has 16 divisors (see below), whose sum is σ = 184141124280. Its totient is φ = 40776665472.

The previous prime is 102121144123. The next prime is 102121144171. The reversal of 102121144130 is 31441121201.

It can be written as a sum of positive squares in 4 ways, for example, as 40111677841 + 62009466289 = 200279^2 + 249017^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8968049 + ... + 8979428.

Almost surely, 2^102121144130 is an apocalyptic number.

102121144130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102121144130 is a deficient number, since it is larger than the sum of its proper divisors (82019980150).

102121144130 is a wasteful number, since it uses less digits than its factorization.

102121144130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17948053.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 102121144130 its reverse (31441121201), we get a palindrome (133562265331).

The spelling of 102121144130 in words is "one hundred two billion, one hundred twenty-one million, one hundred forty-four thousand, one hundred thirty".