100111110021097 has 16 divisors (see below), whose sum is σ = 119586473164800. Its totient is φ = 81941647808592.

The previous prime is 100111110021049. The next prime is 100111110021157. The reversal of 100111110021097 is 790120011111001.

It is not a de Polignac number, because 100111110021097 - 2³¹ = 100108962537449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100111110021497) 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, 518942073 + ... + 519134950.

It is an arithmetic number, because the mean of its divisors is an integer number (7474154572800).

Almost surely, 2^{100111110021097} is an apocalyptic number.

It is an amenable number.

100111110021097 is a deficient number, since it is larger than the sum of its proper divisors (19475363143703).

100111110021097 is a wasteful number, since it uses less digits than its factorization.

100111110021097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038077652.

The product of its (nonzero) digits is 126, while the sum is 25.

Adding to 100111110021097 its reverse (790120011111001), we get a palindrome (890231121132098).

The spelling of 100111110021097 in words is "one hundred trillion, one hundred eleven billion, one hundred ten million, twenty-one thousand, ninety-seven".