201231102012202 has 8 divisors (see below), whose sum is σ = 301978291338756. Its totient is φ = 100571671565952.

The previous prime is 201231102012173. The next prime is 201231102012203. The reversal of 201231102012202 is 202210201132102.

It can be written as a sum of positive squares in 2 ways, for example, as 197712817759521 + 3518284252681 = 14061039^2 + 1875709^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 201231102012202.

It is not an unprimeable number, because it can be changed into a prime (201231102012203) 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, 21939714343 + ... + 21939723514.

Almost surely, 2^{201231102012202} is an apocalyptic number.

201231102012202 is a deficient number, since it is larger than the sum of its proper divisors (100747189326554).

201231102012202 is a wasteful number, since it uses less digits than its factorization.

201231102012202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43879440152.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 201231102012202 its reverse (202210201132102), we get a palindrome (403441303144304).

The spelling of 201231102012202 in words is "two hundred one trillion, two hundred thirty-one billion, one hundred two million, twelve thousand, two hundred two".