122100011010 has 64 divisors (see below), whose sum is σ = 329522981760. Its totient is φ = 32167707840.

The previous prime is 122100010969. The next prime is 122100011027. The reversal of 122100011010 is 10110001221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 122100010983 and 122100011001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2701821 + ... + 2746640.

It is an arithmetic number, because the mean of its divisors is an integer number (5148796590).

Almost surely, 2^122100011010 is an apocalyptic number.

122100011010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122100011010 is an abundant number, since it is smaller than the sum of its proper divisors (207422970750).

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

122100011010 is a wasteful number, since it uses less digits than its factorization.

122100011010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5448560 (or 5448554 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 122100011010 its reverse (10110001221), we get a palindrome (132210012231).

The spelling of 122100011010 in words is "one hundred twenty-two billion, one hundred million, eleven thousand, ten".