22012011221002 has 32 divisors (see below), whose sum is σ = 36702072803520. Its totient is φ = 9815927896320.

The previous prime is 22012011220999. The next prime is 22012011221027. The reversal of 22012011221002 is 20012211021022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14699298 + ... + 16127410.

It is an arithmetic number, because the mean of its divisors is an integer number (1146939775110).

Almost surely, 2^{22012011221002} is an apocalyptic number.

22012011221002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22012011221002 is a deficient number, since it is larger than the sum of its proper divisors (14690061582518).

22012011221002 is a wasteful number, since it uses less digits than its factorization.

22012011221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441398.

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

Adding to 22012011221002 its reverse (20012211021022), we get a palindrome (42024222242024).

The spelling of 22012011221002 in words is "twenty-two trillion, twelve billion, eleven million, two hundred twenty-one thousand, two".