122111100030 has 32 divisors (see below), whose sum is σ = 294002977824. Its totient is φ = 32458922496.

The previous prime is 122111100029. The next prime is 122111100043. The reversal of 122111100030 is 30001111221.

It is a super-2 number, since 2×122111100030² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122111099979 and 122111100015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6492799 + ... + 6511578.

It is an arithmetic number, because the mean of its divisors is an integer number (9187593057).

Almost surely, 2^122111100030 is an apocalyptic number.

122111100030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122111100030 is an abundant number, since it is smaller than the sum of its proper divisors (171891877794).

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

122111100030 is a wasteful number, since it uses less digits than its factorization.

122111100030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13004700.

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

Adding to 122111100030 its reverse (30001111221), we get a palindrome (152112211251).

The spelling of 122111100030 in words is "one hundred twenty-two billion, one hundred eleven million, one hundred thousand, thirty".