101020202057 has 8 divisors (see below), whose sum is σ = 101940560160. Its totient is φ = 100100306880.

The previous prime is 101020202053. The next prime is 101020202071. The reversal of 101020202057 is 750202020101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101020202057 - 2² = 101020202053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101020202053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330494 + ... + 557912.

It is an arithmetic number, because the mean of its divisors is an integer number (12742570020).

Almost surely, 2^101020202057 is an apocalyptic number.

It is an amenable number.

101020202057 is a deficient number, since it is larger than the sum of its proper divisors (920358103).

101020202057 is a wasteful number, since it uses less digits than its factorization.

101020202057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231463.

The product of its (nonzero) digits is 280, while the sum is 20.

Adding to 101020202057 its reverse (750202020101), we get a palindrome (851222222158).

The spelling of 101020202057 in words is "one hundred one billion, twenty million, two hundred two thousand, fifty-seven".