1120020102251 has 2 divisors, whose sum is σ = 1120020102252. Its totient is φ = 1120020102250.

The previous prime is 1120020102211. The next prime is 1120020102269. The reversal of 1120020102251 is 1522010200211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1120020102251 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1120020102211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560010051125 + 560010051126.

It is an arithmetic number, because the mean of its divisors is an integer number (560010051126).

Almost surely, 2^{1120020102251} is an apocalyptic number.

1120020102251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120020102251 is an equidigital number, since it uses as much as digits as its factorization.

1120020102251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 1120020102251 its reverse (1522010200211), we get a palindrome (2642030302462).

The spelling of 1120020102251 in words is "one trillion, one hundred twenty billion, twenty million, one hundred two thousand, two hundred fifty-one".