102122401402 has 16 divisors (see below), whose sum is σ = 175097260800. Its totient is φ = 43759171728.

The previous prime is 102122401399. The next prime is 102122401441. The reversal of 102122401402 is 204104221201.

102122401402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×102122401402² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102122401402.

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, 546777 + ... + 709372.

It is an arithmetic number, because the mean of its divisors is an integer number (10943578800).

Almost surely, 2^102122401402 is an apocalyptic number.

102122401402 is a deficient number, since it is larger than the sum of its proper divisors (72974859398).

102122401402 is a wasteful number, since it uses less digits than its factorization.

102122401402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261965.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 102122401402 its reverse (204104221201), we get a palindrome (306226622603).

The spelling of 102122401402 in words is "one hundred two billion, one hundred twenty-two million, four hundred one thousand, four hundred two".