2111020112021 has 8 divisors (see below), whose sum is σ = 2122919284320. Its totient is φ = 2099150951472.

The previous prime is 2111020112017. The next prime is 2111020112027. The reversal of 2111020112021 is 1202110201112.

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 2111020112021 - 2² = 2111020112017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2111020111987 and 2111020112005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111020112027) 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, 7361855 + ... + 7643228.

It is an arithmetic number, because the mean of its divisors is an integer number (265364910540).

Almost surely, 2^{2111020112021} is an apocalyptic number.

It is an amenable number.

2111020112021 is a deficient number, since it is larger than the sum of its proper divisors (11899172299).

2111020112021 is a wasteful number, since it uses less digits than its factorization.

2111020112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15005875.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2111020112021 its reverse (1202110201112), we get a palindrome (3313130313133).

The spelling of 2111020112021 in words is "two trillion, one hundred eleven billion, twenty million, one hundred twelve thousand, twenty-one".