21202000001122 has 8 divisors (see below), whose sum is σ = 32084442479916. Its totient is φ = 10507185841152.

The previous prime is 21202000001107. The next prime is 21202000001123. The reversal of 21202000001122 is 22110000020212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17707676386401 + 3494323614721 = 4208049^2 + 1869311^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (21202000001123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46907079423 + ... + 46907079874.

Almost surely, 2^{21202000001122} is an apocalyptic number.

21202000001122 is a deficient number, since it is larger than the sum of its proper divisors (10882442478794).

21202000001122 is a wasteful number, since it uses less digits than its factorization.

21202000001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93814159412.

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

Adding to 21202000001122 its reverse (22110000020212), we get a palindrome (43312000021334).

The spelling of 21202000001122 in words is "twenty-one trillion, two hundred two billion, one thousand, one hundred twenty-two".