2120012202101 has 4 divisors (see below), whose sum is σ = 2120915490432. Its totient is φ = 2119108913772.

The previous prime is 2120012202079. The next prime is 2120012202103. The reversal of 2120012202101 is 1012022100212.

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 2120012202101 - 2³⁰ = 2118938460277 is a prime.

It is a super-3 number, since 3×2120012202101³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120012202103) 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, 451640645 + ... + 451645338.

It is an arithmetic number, because the mean of its divisors is an integer number (530228872608).

Almost surely, 2^{2120012202101} is an apocalyptic number.

It is an amenable number.

2120012202101 is a deficient number, since it is larger than the sum of its proper divisors (903288331).

2120012202101 is an equidigital number, since it uses as much as digits as its factorization.

2120012202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903288330.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2120012202101 its reverse (1012022100212), we get a palindrome (3132034302313).

The spelling of 2120012202101 in words is "two trillion, one hundred twenty billion, twelve million, two hundred two thousand, one hundred one".