2120111000197 has 32 divisors (see below), whose sum is σ = 2238767677440. Its totient is φ = 2003829347520.

The previous prime is 2120111000173. The next prime is 2120111000213. The reversal of 2120111000197 is 7910001110212.

It is a cyclic number.

It is not a de Polignac number, because 2120111000197 - 2³¹ = 2117963516549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120111000167) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 917398672 + ... + 917400982.

It is an arithmetic number, because the mean of its divisors is an integer number (69961489920).

Almost surely, 2^{2120111000197} is an apocalyptic number.

It is an amenable number.

2120111000197 is a deficient number, since it is larger than the sum of its proper divisors (118656677243).

2120111000197 is a wasteful number, since it uses less digits than its factorization.

2120111000197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3793.

The product of its (nonzero) digits is 252, while the sum is 25.

The spelling of 2120111000197 in words is "two trillion, one hundred twenty billion, one hundred eleven million, one hundred ninety-seven", and thus it is an aban number.