101020037677 has 4 divisors (see below), whose sum is σ = 108790809820. Its totient is φ = 93249265536.

The previous prime is 101020037647. The next prime is 101020037681. The reversal of 101020037677 is 776730020101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 776730020101 = 7 ⋅110961431443.

It can be written as a sum of positive squares in 2 ways, for example, as 57878255241 + 43141782436 = 240579^2 + 207706^2 .

It is a cyclic number.

It is not a de Polignac number, because 101020037677 - 2³¹ = 98872554029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101020037647) 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, 3885386052 + ... + 3885386077.

It is an arithmetic number, because the mean of its divisors is an integer number (27197702455).

Almost surely, 2^101020037677 is an apocalyptic number.

It is an amenable number.

101020037677 is a deficient number, since it is larger than the sum of its proper divisors (7770772143).

101020037677 is an equidigital number, since it uses as much as digits as its factorization.

101020037677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7770772142.

The product of its (nonzero) digits is 12348, while the sum is 34.

Adding to 101020037677 its reverse (776730020101), we get a palindrome (877750057778).

The spelling of 101020037677 in words is "one hundred one billion, twenty million, thirty-seven thousand, six hundred seventy-seven".