122111122002 has 64 divisors (see below), whose sum is σ = 263286184320.
Its totient is φ = 37637443584.
The previous prime is 122111121989. The next prime is 122111122019. The reversal of 122111122002 is 200221111221.
It is a super-2 number, since 2×1221111220022 (a number of 23 digits) contains 22 as substring.
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, 1113748 + ... + 1218464.
It is an arithmetic number, because the mean of its divisors is an integer number (4113846630).
Almost surely, 2122111122002 is an apocalyptic number.
122111122002 is an abundant number, since it is smaller than the sum of its proper divisors (141175062318).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122111122002 is a wasteful number, since it uses less digits than its factorization.
122111122002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 104987.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 122111122002 its reverse (200221111221), we get a palindrome (322332233223).
The spelling of 122111122002 in words is "one hundred twenty-two billion, one hundred eleven million, one hundred twenty-two thousand, two".