10321121020202 has 4 divisors (see below), whose sum is σ = 15481681530306. Its totient is φ = 5160560510100.

The previous prime is 10321121020151. The next prime is 10321121020211. The reversal of 10321121020202 is 20202012112301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10018927842361 + 302193177841 = 3165269^2 + 549721^2 .

It is a super-2 number, since 2×10321121020202² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2580280255049 + ... + 2580280255052.

Almost surely, 2^{10321121020202} is an apocalyptic number.

10321121020202 is a deficient number, since it is larger than the sum of its proper divisors (5160560510104).

10321121020202 is an equidigital number, since it uses as much as digits as its factorization.

10321121020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5160560510103.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 10321121020202 its reverse (20202012112301), we get a palindrome (30523133132503).

The spelling of 10321121020202 in words is "ten trillion, three hundred twenty-one billion, one hundred twenty-one million, twenty thousand, two hundred two".