101697847801 has 27 divisors (see below), whose sum is σ = 114141170703. Its totient is φ = 90542371920.

The previous prime is 101697847799. The next prime is 101697847807. The reversal of 101697847801 is 108748796101.

It is a happy number.

The square root of 101697847801 is 318901.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 73313685225 + 28384162576 = 270765^2 + 168476^2 .

It is not a de Polignac number, because 101697847801 - 2¹ = 101697847799 is a prime.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101697847807) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 185919010 + ... + 185919556.

Almost surely, 2^101697847801 is an apocalyptic number.

101697847801 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101697847801 is the 318901-st square number.

101697847801 is the 159451-st centered octagonal number.

It is an amenable number.

101697847801 is a deficient number, since it is larger than the sum of its proper divisors (12443322902).

101697847801 is an frugal number, since it uses more digits than its factorization.

101697847801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222 (or 611 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 52.

The spelling of 101697847801 in words is "one hundred one billion, six hundred ninety-seven million, eight hundred forty-seven thousand, eight hundred one".