221022120011202 has 24 divisors (see below), whose sum is σ = 478978376675760. Its totient is φ = 73659098980440.

The previous prime is 221022120011197. The next prime is 221022120011237. The reversal of 221022120011202 is 202110021220122.

It is a happy number.

221022120011202 is a `hidden beast` number, since 2 + 210 + 221 + 20 + 0 + 11 + 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 11 ways as a sum of consecutive naturals, for example, 1244994052 + ... + 1245171567.

It is an arithmetic number, because the mean of its divisors is an integer number (19957432361490).

Almost surely, 2^{221022120011202} is an apocalyptic number.

221022120011202 is an abundant number, since it is smaller than the sum of its proper divisors (257956256664558).

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

221022120011202 is a wasteful number, since it uses less digits than its factorization.

221022120011202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2490170558 (or 2490170555 counting only the distinct ones).

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

Adding to 221022120011202 its reverse (202110021220122), we get a palindrome (423132141231324).

The spelling of 221022120011202 in words is "two hundred twenty-one trillion, twenty-two billion, one hundred twenty million, eleven thousand, two hundred two".