102421111304 has 8 divisors (see below), whose sum is σ = 192039583710. Its totient is φ = 51210555648.

The previous prime is 102421111231. The next prime is 102421111313. The reversal of 102421111304 is 403111124201.

It can be written as a sum of positive squares in only one way, i.e., 99950822500 + 2470288804 = 316150^2 + 49702^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6401319449 + ... + 6401319464.

Almost surely, 2^102421111304 is an apocalyptic number.

It is an amenable number.

102421111304 is a deficient number, since it is larger than the sum of its proper divisors (89618472406).

102421111304 is a wasteful number, since it uses less digits than its factorization.

102421111304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12802638919 (or 12802638915 counting only the distinct ones).

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

Adding to 102421111304 its reverse (403111124201), we get a palindrome (505532235505).

The spelling of 102421111304 in words is "one hundred two billion, four hundred twenty-one million, one hundred eleven thousand, three hundred four".