10202121202 has 16 divisors (see below), whose sum is σ = 18834685632. Its totient is φ = 4036003920.

The previous prime is 10202121199. The next prime is 10202121203. The reversal of 10202121202 is 20212120201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (10202121203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28027624 + ... + 28027987.

It is an arithmetic number, because the mean of its divisors is an integer number (1177167852).

Almost surely, 2^10202121202 is an apocalyptic number.

10202121202 is a deficient number, since it is larger than the sum of its proper divisors (8632564430).

10202121202 is a wasteful number, since it uses less digits than its factorization.

10202121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56055633.

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

Adding to 10202121202 its reverse (20212120201), we get a palindrome (30414241403).

The spelling of 10202121202 in words is "ten billion, two hundred two million, one hundred twenty-one thousand, two hundred two".