222011122121080 has 64 divisors (see below), whose sum is σ = 516070958918400. Its totient is φ = 85867751930880.

The previous prime is 222011122121057. The next prime is 222011122121081. The reversal of 222011122121080 is 80121221110222.

It is a super-2 number, since 2×222011122121080² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222011122121081) 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, 73558915 + ... + 76517554.

It is an arithmetic number, because the mean of its divisors is an integer number (8063608733100).

Almost surely, 2^{222011122121080} is an apocalyptic number.

222011122121080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222011122121080 is an abundant number, since it is smaller than the sum of its proper divisors (294059836797320).

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

222011122121080 is a wasteful number, since it uses less digits than its factorization.

222011122121080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150077704 (or 150077700 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 25.

The spelling of 222011122121080 in words is "two hundred twenty-two trillion, eleven billion, one hundred twenty-two million, one hundred twenty-one thousand, eighty".