22210121000002 has 16 divisors (see below), whose sum is σ = 35878046924160. Its totient is φ = 10250779604112.

The previous prime is 22210120999987. The next prime is 22210121000051. The reversal of 22210121000002 is 20000012101222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4484353 + ... + 8033035.

It is an arithmetic number, because the mean of its divisors is an integer number (2242377932760).

Almost surely, 2^{22210121000002} is an apocalyptic number.

22210121000002 is a deficient number, since it is larger than the sum of its proper divisors (13667925924158).

22210121000002 is a wasteful number, since it uses less digits than its factorization.

22210121000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3789417.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22210121000002 its reverse (20000012101222), we get a palindrome (42210133101224).

The spelling of 22210121000002 in words is "twenty-two trillion, two hundred ten billion, one hundred twenty-one million, two", and thus it is an aban number.