101002121097 has 32 divisors (see below), whose sum is σ = 145107319680. Its totient is φ = 62258181120.

The previous prime is 101002121039. The next prime is 101002121107. The reversal of 101002121097 is 790121200101.

It is not a de Polignac number, because 101002121097 - 2⁷ = 101002120969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101002121497) 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, 2559438 + ... + 2598600.

It is an arithmetic number, because the mean of its divisors is an integer number (4534603740).

Almost surely, 2^101002121097 is an apocalyptic number.

101002121097 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

101002121097 is a deficient number, since it is larger than the sum of its proper divisors (44105198583).

101002121097 is a wasteful number, since it uses less digits than its factorization.

101002121097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40073.

The product of its (nonzero) digits is 252, while the sum is 24.

Adding to 101002121097 its reverse (790121200101), we get a palindrome (891123321198).

The spelling of 101002121097 in words is "one hundred one billion, two million, one hundred twenty-one thousand, ninety-seven".