2120202120111 has 64 divisors (see below), whose sum is σ = 3119040000000. Its totient is φ = 1276154320896.

The previous prime is 2120202120103. The next prime is 2120202120137. The reversal of 2120202120111 is 1110212020212.

It is not a de Polignac number, because 2120202120111 - 2³ = 2120202120103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120202120151) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 67833015 + ... + 67864263.

It is an arithmetic number, because the mean of its divisors is an integer number (48735000000).

Almost surely, 2^{2120202120111} is an apocalyptic number.

2120202120111 is a deficient number, since it is larger than the sum of its proper divisors (998837879889).

2120202120111 is a wasteful number, since it uses less digits than its factorization.

2120202120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31968.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2120202120111 its reverse (1110212020212), we get a palindrome (3230414140323).

The spelling of 2120202120111 in words is "two trillion, one hundred twenty billion, two hundred two million, one hundred twenty thousand, one hundred eleven".