222022020121000 has 64 divisors (see below), whose sum is σ = 566761665936960. Its totient is φ = 80735280040000.

The previous prime is 222022020120949. The next prime is 222022020121003. The reversal of 222022020121000 is 121020220222.

It is not an unprimeable number, because it can be changed into a prime (222022020121003) 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, 10091899006 + ... + 10091921005.

It is an arithmetic number, because the mean of its divisors is an integer number (8855651030265).

Almost surely, 2^{222022020121000} is an apocalyptic number.

222022020121000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222022020121000 is an abundant number, since it is smaller than the sum of its proper divisors (344739645815960).

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

222022020121000 is a wasteful number, since it uses less digits than its factorization.

222022020121000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20183820043 (or 20183820029 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 222022020121000 its reverse (121020220222), we get a palindrome (222143040341222).

The spelling of 222022020121000 in words is "two hundred twenty-two trillion, twenty-two billion, twenty million, one hundred twenty-one thousand".