97111101101021 has 16 divisors (see below), whose sum is σ = 112865959180800. Its totient is φ = 81826722854448.

The previous prime is 97111101100999. The next prime is 97111101101029. The reversal of 97111101101021 is 12010110111179.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97111101101021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97111101101029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68158106 + ... + 69568308.

It is an arithmetic number, because the mean of its divisors is an integer number (7054122448800).

Almost surely, 2^{97111101101021} is an apocalyptic number.

It is an amenable number.

97111101101021 is a deficient number, since it is larger than the sum of its proper divisors (15754858079779).

97111101101021 is a wasteful number, since it uses less digits than its factorization.

97111101101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577008.

The product of its (nonzero) digits is 126, while the sum is 26.

The spelling of 97111101101021 in words is "ninety-seven trillion, one hundred eleven billion, one hundred one million, one hundred one thousand, twenty-one".