2120021311102 has 4 divisors (see below), whose sum is σ = 3180031966656. Its totient is φ = 1060010655550.

The previous prime is 2120021311069. The next prime is 2120021311139. The reversal of 2120021311102 is 2011131200212.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530005327774 + ... + 530005327777.

It is an arithmetic number, because the mean of its divisors is an integer number (795007991664).

Almost surely, 2^{2120021311102} is an apocalyptic number.

2120021311102 is a deficient number, since it is larger than the sum of its proper divisors (1060010655554).

2120021311102 is a wasteful number, since it uses less digits than its factorization.

2120021311102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060010655553.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2120021311102 its reverse (2011131200212), we get a palindrome (4131152511314).

The spelling of 2120021311102 in words is "two trillion, one hundred twenty billion, twenty-one million, three hundred eleven thousand, one hundred two".