222100021211202 has 128 divisors (see below), whose sum is σ = 507305184675840. Its totient is φ = 72000252000000.

The previous prime is 222100021211183. The next prime is 222100021211219. The reversal of 222100021211202 is 202112120001222.

It is a happy number.

222100021211202 is a `hidden beast` number, since 22 + 210 + 0 + 0 + 21 + 211 + 202 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 243409327 + ... + 244320077.

It is an arithmetic number, because the mean of its divisors is an integer number (3963321755280).

Almost surely, 2^{222100021211202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222100021211202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253652592337920).

222100021211202 is an abundant number, since it is smaller than the sum of its proper divisors (285205163464638).

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

222100021211202 is a wasteful number, since it uses less digits than its factorization.

222100021211202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911657 (or 911651 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222100021211202 its reverse (202112120001222), we get a palindrome (424212141212424).

The spelling of 222100021211202 in words is "two hundred twenty-two trillion, one hundred billion, twenty-one million, two hundred eleven thousand, two hundred two".