211011022020012 has 24 divisors (see below), whose sum is σ = 492377817943536. Its totient is φ = 70334326402368.

The previous prime is 211011022019981. The next prime is 211011022020013. The reversal of 211011022020012 is 210020220110112.

It is a junction number, because it is equal to n+sod(n) for n = 211011022019973 and 211011022020000.

It is not an unprimeable number, because it can be changed into a prime (211011022020013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334789243 + ... + 335418930.

It is an arithmetic number, because the mean of its divisors is an integer number (20515742414314).

Almost surely, 2^{211011022020012} is an apocalyptic number.

It is an amenable number.

211011022020012 is an abundant number, since it is smaller than the sum of its proper divisors (281366795923524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211011022020012 is a wasteful number, since it uses less digits than its factorization.

211011022020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670234417 (or 670234415 counting only the distinct ones).

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

Adding to 211011022020012 its reverse (210020220110112), we get a palindrome (421031242130124).

The spelling of 211011022020012 in words is "two hundred eleven trillion, eleven billion, twenty-two million, twenty thousand, twelve".