10102121020202 has 8 divisors (see below), whose sum is σ = 15167850634596. Its totient is φ = 5046170808672.

The previous prime is 10102121020169. The next prime is 10102121020223. The reversal of 10102121020202 is 20202012120101.

It can be written as a sum of positive squares in 2 ways, for example, as 6828558148801 + 3273562871401 = 2613151^2 + 1809299^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2444848133 + ... + 2444852264.

Almost surely, 2^{10102121020202} is an apocalyptic number.

10102121020202 is a deficient number, since it is larger than the sum of its proper divisors (5065729614394).

10102121020202 is a wasteful number, since it uses less digits than its factorization.

10102121020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4889701432.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10102121020202 its reverse (20202012120101), we get a palindrome (30304133140303).

The spelling of 10102121020202 in words is "ten trillion, one hundred two billion, one hundred twenty-one million, twenty thousand, two hundred two".