222100021020010 has 64 divisors (see below), whose sum is σ = 463216715891712. Its totient is φ = 75094670647296.

The previous prime is 222100021019993. The next prime is 222100021020019. The reversal of 222100021020010 is 10020120001222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (222100021020019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32537679 + ... + 38767261.

It is an arithmetic number, because the mean of its divisors is an integer number (7237761185808).

Almost surely, 2^{222100021020010} is an apocalyptic number.

222100021020010 is an abundant number, since it is smaller than the sum of its proper divisors (241116694871702).

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

222100021020010 is a wasteful number, since it uses less digits than its factorization.

222100021020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6236647.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 222100021020010 its reverse (10020120001222), we get a palindrome (232120141021232).

The spelling of 222100021020010 in words is "two hundred twenty-two trillion, one hundred billion, twenty-one million, twenty thousand, ten".