120200012211991 has 2 divisors, whose sum is σ = 120200012211992. Its totient is φ = 120200012211990.

The previous prime is 120200012211973. The next prime is 120200012212003. The reversal of 120200012211991 is 199112210002021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120200012211991 - 2⁹ = 120200012211479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120200012211691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60100006105995 + 60100006105996.

It is an arithmetic number, because the mean of its divisors is an integer number (60100006105996).

Almost surely, 2^{120200012211991} is an apocalyptic number.

120200012211991 is a deficient number, since it is larger than the sum of its proper divisors (1).

120200012211991 is an equidigital number, since it uses as much as digits as its factorization.

120200012211991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 31.

The spelling of 120200012211991 in words is "one hundred twenty trillion, two hundred billion, twelve million, two hundred eleven thousand, nine hundred ninety-one".