2120202222111 has 12 divisors (see below), whose sum is σ = 3062527693992. Its totient is φ = 1413461975856.

The previous prime is 2120202222101. The next prime is 2120202222113. The reversal of 2120202222111 is 1112222020212.

It is a happy number.

2120202222111 is a `hidden beast` number, since 212 + 0 + 20 + 222 + 211 + 1 = 666.

It is not a de Polignac number, because 2120202222111 - 2²³ = 2120193833503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120202222113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2754760 + ... + 3439346.

It is an arithmetic number, because the mean of its divisors is an integer number (255210641166).

Almost surely, 2^{2120202222111} is an apocalyptic number.

2120202222111 is a deficient number, since it is larger than the sum of its proper divisors (942325471881).

2120202222111 is a wasteful number, since it uses less digits than its factorization.

2120202222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028710 (or 1028707 counting only the distinct ones).

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

Adding to 2120202222111 its reverse (1112222020212), we get a palindrome (3232424242323).

The spelling of 2120202222111 in words is "two trillion, one hundred twenty billion, two hundred two million, two hundred twenty-two thousand, one hundred eleven".