22011021002 has 16 divisors (see below), whose sum is σ = 33488517120. Its totient is φ = 10849286448.

The previous prime is 22011020989. The next prime is 22011021023. The reversal of 22011021002 is 20012011022.

It is a happy number.

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, 236102 + ... + 315857.

It is an arithmetic number, because the mean of its divisors is an integer number (2093032320).

Almost surely, 2^22011021002 is an apocalyptic number.

22011021002 is a deficient number, since it is larger than the sum of its proper divisors (11477496118).

22011021002 is a wasteful number, since it uses less digits than its factorization.

22011021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552245.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22011021002 its reverse (20012011022), we get a palindrome (42023032024).

The spelling of 22011021002 in words is "twenty-two billion, eleven million, twenty-one thousand, two".