22100121202 has 4 divisors (see below), whose sum is σ = 33150181806. Its totient is φ = 11050060600.

The previous prime is 22100121139. The next prime is 22100121203. The reversal of 22100121202 is 20212100122.

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., 22085229321 + 14891881 = 148611^2 + 3859^2 .

It is not an unprimeable number, because it can be changed into a prime (22100121203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5525030299 + ... + 5525030302.

Almost surely, 2^22100121202 is an apocalyptic number.

22100121202 is a deficient number, since it is larger than the sum of its proper divisors (11050060604).

22100121202 is a wasteful number, since it uses less digits than its factorization.

22100121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11050060603.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22100121202 its reverse (20212100122), we get a palindrome (42312221324).

The spelling of 22100121202 in words is "twenty-two billion, one hundred million, one hundred twenty-one thousand, two hundred two".