22122010221002 has 4 divisors (see below), whose sum is σ = 33183015331506. Its totient is φ = 11061005110500.

The previous prime is 22122010220987. The next prime is 22122010221013. The reversal of 22122010221002 is 20012201022122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17053753085161 + 5068257135841 = 4129619^2 + 2251279^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5530502555249 + ... + 5530502555252.

Almost surely, 2^{22122010221002} is an apocalyptic number.

22122010221002 is a deficient number, since it is larger than the sum of its proper divisors (11061005110504).

22122010221002 is a wasteful number, since it uses less digits than its factorization.

22122010221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11061005110503.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22122010221002 its reverse (20012201022122), we get a palindrome (42134211243124).

The spelling of 22122010221002 in words is "twenty-two trillion, one hundred twenty-two billion, ten million, two hundred twenty-one thousand, two".