221012012002210 has 32 divisors (see below), whose sum is σ = 467370856153152. Its totient is φ = 74185850182080.

The previous prime is 221012012002207. The next prime is 221012012002211. The reversal of 221012012002210 is 12200210210122.

It is a happy number.

221012012002210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (221012012002211) 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, 77276925844 + ... + 77276928703.

It is an arithmetic number, because the mean of its divisors is an integer number (14605339254786).

Almost surely, 2^{221012012002210} is an apocalyptic number.

221012012002210 is an abundant number, since it is smaller than the sum of its proper divisors (246358844150942).

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

221012012002210 is a wasteful number, since it uses less digits than its factorization.

221012012002210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154553854578.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 221012012002210 its reverse (12200210210122), we get a palindrome (233212222212332).

The spelling of 221012012002210 in words is "two hundred twenty-one trillion, twelve billion, twelve million, two thousand, two hundred ten".