1102201202251 has 2 divisors, whose sum is σ = 1102201202252. Its totient is φ = 1102201202250.

The previous prime is 1102201202243. The next prime is 1102201202351. The reversal of 1102201202251 is 1522021022011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1102201202251 - 2³ = 1102201202243 is a prime.

It is not a weakly prime, because it can be changed into another prime (1102201202351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551100601125 + 551100601126.

It is an arithmetic number, because the mean of its divisors is an integer number (551100601126).

Almost surely, 2^{1102201202251} is an apocalyptic number.

1102201202251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102201202251 is an equidigital number, since it uses as much as digits as its factorization.

1102201202251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 1102201202251 its reverse (1522021022011), we get a palindrome (2624222224262).

The spelling of 1102201202251 in words is "one trillion, one hundred two billion, two hundred one million, two hundred two thousand, two hundred fifty-one".