1021672052101 has 4 divisors (see below), whose sum is σ = 1054629215104. Its totient is φ = 988714889100.

The previous prime is 1021672052087. The next prime is 1021672052131. The reversal of 1021672052101 is 1012502761201.

1021672052101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1021672052101 - 2³⁵ = 987312313733 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1021672052101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021672052131) 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, 16478581455 + ... + 16478581516.

It is an arithmetic number, because the mean of its divisors is an integer number (263657303776).

Almost surely, 2^{1021672052101} is an apocalyptic number.

It is an amenable number.

1021672052101 is a deficient number, since it is larger than the sum of its proper divisors (32957163003).

1021672052101 is an equidigital number, since it uses as much as digits as its factorization.

1021672052101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32957163002.

The product of its (nonzero) digits is 1680, while the sum is 28.

The spelling of 1021672052101 in words is "one trillion, twenty-one billion, six hundred seventy-two million, fifty-two thousand, one hundred one".