2121111211202 has 16 divisors (see below), whose sum is σ = 3376271350080. Its totient is φ = 997250516592.

The previous prime is 2121111211199. The next prime is 2121111211213. The reversal of 2121111211202 is 2021121111212.

It is a super-2 number, since 2×2121111211202² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390769433 + ... + 390774860.

It is an arithmetic number, because the mean of its divisors is an integer number (211016959380).

Almost surely, 2^{2121111211202} is an apocalyptic number.

2121111211202 is a deficient number, since it is larger than the sum of its proper divisors (1255160138878).

2121111211202 is a wasteful number, since it uses less digits than its factorization.

2121111211202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781544377.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 2121111211202 its reverse (2021121111212), we get a palindrome (4142232322414).

The spelling of 2121111211202 in words is "two trillion, one hundred twenty-one billion, one hundred eleven million, two hundred eleven thousand, two hundred two".