102121441402 has 16 divisors (see below), whose sum is σ = 153899108352. Its totient is φ = 50822078800.

The previous prime is 102121441399. The next prime is 102121441447. The reversal of 102121441402 is 204144121201.

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, 521088 + ... + 689764.

It is an arithmetic number, because the mean of its divisors is an integer number (9618694272).

Almost surely, 2^102121441402 is an apocalyptic number.

102121441402 is a deficient number, since it is larger than the sum of its proper divisors (51777666950).

102121441402 is a wasteful number, since it uses less digits than its factorization.

102121441402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170093.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 102121441402 its reverse (204144121201), we get a palindrome (306265562603).

The spelling of 102121441402 in words is "one hundred two billion, one hundred twenty-one million, four hundred forty-one thousand, four hundred two".