1021000112101 has 8 divisors (see below), whose sum is σ = 1031360260608. Its totient is φ = 1010644890000.

The previous prime is 1021000112009. The next prime is 1021000112117. The reversal of 1021000112101 is 1012110001201.

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 1021000112101 - 2⁹ = 1021000111589 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 (1021000112501) 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, 814285 + ... + 1644706.

It is an arithmetic number, because the mean of its divisors is an integer number (128920032576).

Almost surely, 2^{1021000112101} is an apocalyptic number.

It is an amenable number.

1021000112101 is a deficient number, since it is larger than the sum of its proper divisors (10360148507).

1021000112101 is a wasteful number, since it uses less digits than its factorization.

1021000112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2463203.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1021000112101 its reverse (1012110001201), we get a palindrome (2033110113302).

The spelling of 1021000112101 in words is "one trillion, twenty-one billion, one hundred twelve thousand, one hundred one".