122102100010 has 32 divisors (see below), whose sum is σ = 239778729792. Its totient is φ = 44398058880.

The previous prime is 122102099981. The next prime is 122102100013. The reversal of 122102100010 is 10001201221.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 122102100010.

It is not an unprimeable number, because it can be changed into a prime (122102100013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3066489 + ... + 3106051.

It is an arithmetic number, because the mean of its divisors is an integer number (7493085306).

Almost surely, 2^122102100010 is an apocalyptic number.

122102100010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122102100010 is a deficient number, since it is larger than the sum of its proper divisors (117676629782).

122102100010 is a wasteful number, since it uses less digits than its factorization.

122102100010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67638.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 122102100010 its reverse (10001201221), we get a palindrome (132103301231).

The spelling of 122102100010 in words is "one hundred twenty-two billion, one hundred two million, one hundred thousand, ten".