2131223120097 has 8 divisors (see below), whose sum is σ = 2843116266144. Its totient is φ = 1420072693728.

The previous prime is 2131223120051. The next prime is 2131223120107. The reversal of 2131223120097 is 7900213221312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2131223120097 - 2²⁶ = 2131156011233 is a prime.

It is a super-2 number, since 2×2131223120097² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2131223120027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185673223 + ... + 185684700.

It is an arithmetic number, because the mean of its divisors is an integer number (355389533268).

Almost surely, 2^{2131223120097} is an apocalyptic number.

It is an amenable number.

2131223120097 is a deficient number, since it is larger than the sum of its proper divisors (711893146047).

2131223120097 is a wasteful number, since it uses less digits than its factorization.

2131223120097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371359839.

The product of its (nonzero) digits is 9072, while the sum is 33.

The spelling of 2131223120097 in words is "two trillion, one hundred thirty-one billion, two hundred twenty-three million, one hundred twenty thousand, ninety-seven".