2120222221101 has 24 divisors (see below), whose sum is σ = 3145888515744. Its totient is φ = 1375028356320.

The previous prime is 2120222221093. The next prime is 2120222221109. The reversal of 2120222221101 is 1011222220212.

It is a happy number.

2120222221101 is a `hidden beast` number, since 2 + 120 + 222 + 221 + 101 = 666.

It is an interprime number because it is at equal distance from previous prime (2120222221093) and next prime (2120222221109).

It is not a de Polignac number, because 2120222221101 - 2³ = 2120222221093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120222221109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1255746 + ... + 2411916.

It is an arithmetic number, because the mean of its divisors is an integer number (131078688156).

Almost surely, 2^{2120222221101} is an apocalyptic number.

It is an amenable number.

2120222221101 is a deficient number, since it is larger than the sum of its proper divisors (1025666294643).

2120222221101 is a wasteful number, since it uses less digits than its factorization.

2120222221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161721 (or 1161718 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2120222221101 its reverse (1011222220212), we get a palindrome (3131444441313).

The spelling of 2120222221101 in words is "two trillion, one hundred twenty billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred one".