100144121402 has 32 divisors (see below), whose sum is σ = 164086521984. Its totient is φ = 45563544000.

The previous prime is 100144121387. The next prime is 100144121423. The reversal of 100144121402 is 204121441001.

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, 416948 + ... + 611664.

It is an arithmetic number, because the mean of its divisors is an integer number (5127703812).

Almost surely, 2^100144121402 is an apocalyptic number.

100144121402 is a deficient number, since it is larger than the sum of its proper divisors (63942400582).

100144121402 is a wasteful number, since it uses less digits than its factorization.

100144121402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195014.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 100144121402 its reverse (204121441001), we get a palindrome (304265562403).

The spelling of 100144121402 in words is "one hundred billion, one hundred forty-four million, one hundred twenty-one thousand, four hundred two".