212122111002 has 16 divisors (see below), whose sum is σ = 437929519872. Its totient is φ = 68426487360.

The previous prime is 212122110953. The next prime is 212122111009. The reversal of 212122111002 is 200111221212.

It is not an unprimeable number, because it can be changed into a prime (212122111009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570220543 + ... + 570220914.

It is an arithmetic number, because the mean of its divisors is an integer number (27370594992).

Almost surely, 2^212122111002 is an apocalyptic number.

212122111002 is an abundant number, since it is smaller than the sum of its proper divisors (225807408870).

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

212122111002 is a wasteful number, since it uses less digits than its factorization.

212122111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140441493.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212122111002 its reverse (200111221212), we get a palindrome (412233332214).

The spelling of 212122111002 in words is "two hundred twelve billion, one hundred twenty-two million, one hundred eleven thousand, two".