10121020202 has 8 divisors (see below), whose sum is σ = 15257820000. Its totient is φ = 5035080204.

The previous prime is 10121020177. The next prime is 10121020207. The reversal of 10121020202 is 20202012101.

It is a happy number.

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 (10121020207) 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, 12714452 + ... + 12715247.

It is an arithmetic number, because the mean of its divisors is an integer number (1907227500).

Almost surely, 2^10121020202 is an apocalyptic number.

10121020202 is a deficient number, since it is larger than the sum of its proper divisors (5136799798).

10121020202 is a wasteful number, since it uses less digits than its factorization.

10121020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25429900.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10121020202 its reverse (20202012101), we get a palindrome (30323032303).

The spelling of 10121020202 in words is "ten billion, one hundred twenty-one million, twenty thousand, two hundred two".