22012202021002 has 64 divisors (see below), whose sum is σ = 35473218568704. Its totient is φ = 10227159221760.

The previous prime is 22012202020979. The next prime is 22012202021003. The reversal of 22012202021002 is 20012020221022.

It is not an unprimeable number, because it can be changed into a prime (22012202021003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71080783 + ... + 71389789.

It is an arithmetic number, because the mean of its divisors is an integer number (554269040136).

Almost surely, 2^{22012202021002} is an apocalyptic number.

22012202021002 is a deficient number, since it is larger than the sum of its proper divisors (13461016547702).

22012202021002 is a wasteful number, since it uses less digits than its factorization.

22012202021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309583.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22012202021002 its reverse (20012020221022), we get a palindrome (42024222242024).

The spelling of 22012202021002 in words is "twenty-two trillion, twelve billion, two hundred two million, twenty-one thousand, two".