10211121202 has 4 divisors (see below), whose sum is σ = 15316681806. Its totient is φ = 5105560600.

The previous prime is 10211121187. The next prime is 10211121259. The reversal of 10211121202 is 20212111201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20212111201 = 35507 ⋅569243.

It can be written as a sum of positive squares in only one way, i.e., 5853933121 + 4357188081 = 76511^2 + 66009^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2552780299 + ... + 2552780302.

Almost surely, 2^10211121202 is an apocalyptic number.

10211121202 is a deficient number, since it is larger than the sum of its proper divisors (5105560604).

10211121202 is an equidigital number, since it uses as much as digits as its factorization.

10211121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5105560603.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10211121202 its reverse (20212111201), we get a palindrome (30423232403).

The spelling of 10211121202 in words is "ten billion, two hundred eleven million, one hundred twenty-one thousand, two hundred two".