102211000202 has 4 divisors (see below), whose sum is σ = 153316500306. Its totient is φ = 51105500100.

The previous prime is 102211000193. The next prime is 102211000231. The reversal of 102211000202 is 202000112201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 202000112201 = 557 ⋅362657293.

It can be written as a sum of positive squares in only one way, i.e., 94243474081 + 7967526121 = 306991^2 + 89261^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25552750049 + ... + 25552750052.

Almost surely, 2^102211000202 is an apocalyptic number.

102211000202 is a deficient number, since it is larger than the sum of its proper divisors (51105500104).

102211000202 is an equidigital number, since it uses as much as digits as its factorization.

102211000202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51105500103.

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

Adding to 102211000202 its reverse (202000112201), we get a palindrome (304211112403).

The spelling of 102211000202 in words is "one hundred two billion, two hundred eleven million, two hundred two", and thus it is an aban number.