222201100122000 has 160 divisors (see below), whose sum is σ = 716384708217984. Its totient is φ = 59252935104000.

The previous prime is 222201100121941. The next prime is 222201100122013. The reversal of 222201100122000 is 221001102222.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 706384755 + ... + 706699245.

Almost surely, 2^{222201100122000} is an apocalyptic number.

222201100122000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222201100122000 is an abundant number, since it is smaller than the sum of its proper divisors (494183608095984).

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

222201100122000 is a wasteful number, since it uses less digits than its factorization.

222201100122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432274 (or 432258 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 222201100122000 its reverse (221001102222), we get a palindrome (222422101224222).

The spelling of 222201100122000 in words is "two hundred twenty-two trillion, two hundred one billion, one hundred million, one hundred twenty-two thousand".