10020200111951 has 2 divisors, whose sum is σ = 10020200111952. Its totient is φ = 10020200111950.

The previous prime is 10020200111927. The next prime is 10020200112023. The reversal of 10020200111951 is 15911100202001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10020200111951 - 2²² = 10020195917647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10020200113951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010100055975 + 5010100055976.

It is an arithmetic number, because the mean of its divisors is an integer number (5010100055976).

Almost surely, 2^{10020200111951} is an apocalyptic number.

10020200111951 is a deficient number, since it is larger than the sum of its proper divisors (1).

10020200111951 is an equidigital number, since it uses as much as digits as its factorization.

10020200111951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 23.

Adding to 10020200111951 its reverse (15911100202001), we get a palindrome (25931300313952).

The spelling of 10020200111951 in words is "ten trillion, twenty billion, two hundred million, one hundred eleven thousand, nine hundred fifty-one".