221110212022002 has 64 divisors (see below), whose sum is σ = 492210305516160. Its totient is φ = 73575270991872.

The previous prime is 221110212021973. The next prime is 221110212022009. The reversal of 221110212022002 is 200220212011122.

It is a happy number.

221110212022002 is a `hidden beast` number, since 221 + 1 + 10 + 212 + 0 + 220 + 0 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (221110212022009) 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, 1048242498 + ... + 1048453410.

It is an arithmetic number, because the mean of its divisors is an integer number (7690786023690).

Almost surely, 2^{221110212022002} is an apocalyptic number.

221110212022002 is an abundant number, since it is smaller than the sum of its proper divisors (271100093494158).

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

221110212022002 is a wasteful number, since it uses less digits than its factorization.

221110212022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244584 (or 244578 counting only the distinct ones).

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

Adding to 221110212022002 its reverse (200220212011122), we get a palindrome (421330424033124).

The spelling of 221110212022002 in words is "two hundred twenty-one trillion, one hundred ten billion, two hundred twelve million, twenty-two thousand, two".