2120101203191 has 2 divisors, whose sum is σ = 2120101203192. Its totient is φ = 2120101203190.

The previous prime is 2120101203179. The next prime is 2120101203223. The reversal of 2120101203191 is 1913021010212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2120101203191 - 2⁶ = 2120101203127 is a prime.

It is a super-2 number, since 2×2120101203191² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120101203151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060050601595 + 1060050601596.

It is an arithmetic number, because the mean of its divisors is an integer number (1060050601596).

Almost surely, 2^{2120101203191} is an apocalyptic number.

2120101203191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120101203191 is an equidigital number, since it uses as much as digits as its factorization.

2120101203191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 2120101203191 in words is "two trillion, one hundred twenty billion, one hundred one million, two hundred three thousand, one hundred ninety-one".