10121131202 has 24 divisors (see below), whose sum is σ = 19018831356. Its totient is φ = 4003963488.

The previous prime is 10121131201. The next prime is 10121131213. The reversal of 10121131202 is 20213112101.

It can be written as a sum of positive squares in 2 ways, for example, as 9806742841 + 314388361 = 99029^2 + 17731^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (10121131201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3970913 + ... + 3973460.

Almost surely, 2^10121131202 is an apocalyptic number.

10121131202 is a deficient number, since it is larger than the sum of its proper divisors (8897700154).

10121131202 is a wasteful number, since it uses less digits than its factorization.

10121131202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7944402 (or 7944395 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 10121131202 its reverse (20213112101), we get a palindrome (30334243303).

The spelling of 10121131202 in words is "ten billion, one hundred twenty-one million, one hundred thirty-one thousand, two hundred two".