10400121102 has 16 divisors (see below), whose sum is σ = 23771705472. Its totient is φ = 2971463160.

The previous prime is 10400121091. The next prime is 10400121113. The reversal of 10400121102 is 20112100401.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10400121091) and next prime (10400121113).

It is a congruent number.

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, 123810924 + ... + 123811007.

It is an arithmetic number, because the mean of its divisors is an integer number (1485731592).

Almost surely, 2^10400121102 is an apocalyptic number.

10400121102 is an abundant number, since it is smaller than the sum of its proper divisors (13371584370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10400121102 is a wasteful number, since it uses less digits than its factorization.

10400121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247621943.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10400121102 its reverse (20112100401), we get a palindrome (30512221503).

The spelling of 10400121102 in words is "ten billion, four hundred million, one hundred twenty-one thousand, one hundred two".