22012002102 has 32 divisors (see below), whose sum is σ = 44606016000. Its totient is φ = 7240435488.

The previous prime is 22012002049. The next prime is 22012002107. The reversal of 22012002102 is 20120021022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012002107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 911913 + ... + 935739.

It is an arithmetic number, because the mean of its divisors is an integer number (1393938000).

Almost surely, 2^22012002102 is an apocalyptic number.

22012002102 is an abundant number, since it is smaller than the sum of its proper divisors (22594013898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22012002102 is a wasteful number, since it uses less digits than its factorization.

22012002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25860.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22012002102 its reverse (20120021022), we get a palindrome (42132023124).

It can be divided in two parts, 2 and 2012002102, that multiplied together give a palindrome (4024004204).

The spelling of 22012002102 in words is "twenty-two billion, twelve million, two thousand, one hundred two".