101052060661 has 4 divisors (see below), whose sum is σ = 101052931212. Its totient is φ = 101051190112.

The previous prime is 101052060643. The next prime is 101052060673. The reversal of 101052060661 is 166060250101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 48516670225 + 52535390436 = 220265^2 + 229206^2 .

It is a cyclic number.

It is not a de Polignac number, because 101052060661 - 2¹³ = 101052052469 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 (101052060631) 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, 228376 + ... + 504241.

It is an arithmetic number, because the mean of its divisors is an integer number (25263232803).

Almost surely, 2^101052060661 is an apocalyptic number.

It is an amenable number.

101052060661 is a deficient number, since it is larger than the sum of its proper divisors (870551).

101052060661 is an equidigital number, since it uses as much as digits as its factorization.

101052060661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870550.

The product of its (nonzero) digits is 2160, while the sum is 28.

The spelling of 101052060661 in words is "one hundred one billion, fifty-two million, sixty thousand, six hundred sixty-one".