101021002197 has 4 divisors (see below), whose sum is σ = 134694669600. Its totient is φ = 67347334796.

The previous prime is 101021002153. The next prime is 101021002211. The reversal of 101021002197 is 791200120101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101021002197 - 2¹¹ = 101021000149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101021002127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16836833697 + ... + 16836833702.

It is an arithmetic number, because the mean of its divisors is an integer number (33673667400).

Almost surely, 2^101021002197 is an apocalyptic number.

It is an amenable number.

101021002197 is a deficient number, since it is larger than the sum of its proper divisors (33673667403).

101021002197 is an equidigital number, since it uses as much as digits as its factorization.

101021002197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33673667402.

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

Adding to 101021002197 its reverse (791200120101), we get a palindrome (892221122298).

The spelling of 101021002197 in words is "one hundred one billion, twenty-one million, two thousand, one hundred ninety-seven".