211121110202012 has 48 divisors (see below), whose sum is σ = 384344852774400. Its totient is φ = 101349133824960.

The previous prime is 211121110201993. The next prime is 211121110202017. The reversal of 211121110202012 is 210202011121112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211121110202017) 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, 1974831353 + ... + 1974938255.

It is an arithmetic number, because the mean of its divisors is an integer number (8007184432800).

Almost surely, 2^{211121110202012} is an apocalyptic number.

It is an amenable number.

211121110202012 is a deficient number, since it is larger than the sum of its proper divisors (173223742572388).

211121110202012 is a wasteful number, since it uses less digits than its factorization.

211121110202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202226 (or 202224 counting only the distinct ones).

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

Adding to 211121110202012 its reverse (210202011121112), we get a palindrome (421323121323124).

The spelling of 211121110202012 in words is "two hundred eleven trillion, one hundred twenty-one billion, one hundred ten million, two hundred two thousand, twelve".