1202120010111 has 16 divisors (see below), whose sum is σ = 1646183772800. Its totient is φ = 779735779488.

The previous prime is 1202120010067. The next prime is 1202120010121. The reversal of 1202120010111 is 1110100212021.

It is a de Polignac number, because none of the positive numbers 2^k-1202120010111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202120010121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6261180 + ... + 6450318.

It is an arithmetic number, because the mean of its divisors is an integer number (102886485800).

Almost surely, 2^{1202120010111} is an apocalyptic number.

1202120010111 is a deficient number, since it is larger than the sum of its proper divisors (444063762689).

1202120010111 is a wasteful number, since it uses less digits than its factorization.

1202120010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246438.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1202120010111 its reverse (1110100212021), we get a palindrome (2312220222132).

The spelling of 1202120010111 in words is "one trillion, two hundred two billion, one hundred twenty million, ten thousand, one hundred eleven".