1011002101197 has 32 divisors (see below), whose sum is σ = 1481810924160. Its totient is φ = 608039070720.

The previous prime is 1011002101189. The next prime is 1011002101253. The reversal of 1011002101197 is 7911012001101.

It is not a de Polignac number, because 1011002101197 - 2³ = 1011002101189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011002101997) 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, 13113153 + ... + 13190025.

It is an arithmetic number, because the mean of its divisors is an integer number (46306591380).

Almost surely, 2^{1011002101197} is an apocalyptic number.

It is an amenable number.

1011002101197 is a deficient number, since it is larger than the sum of its proper divisors (470808822963).

1011002101197 is a wasteful number, since it uses less digits than its factorization.

1011002101197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79933.

The product of its (nonzero) digits is 126, while the sum is 24.

Adding to 1011002101197 its reverse (7911012001101), we get a palindrome (8922014102298).

The spelling of 1011002101197 in words is "one trillion, eleven billion, two million, one hundred one thousand, one hundred ninety-seven".