2011212133020 has 192 divisors, whose sum is σ = 6706964073600. Its totient is φ = 504774623232.

The previous prime is 2011212133013. The next prime is 2011212133039. The reversal of 2011212133020 is 203312121102.

2011212133020 is a `hidden beast` number, since 201 + 12 + 121 + 330 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2011212132984 and 2011212133002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 608805 + ... + 2095964.

It is an arithmetic number, because the mean of its divisors is an integer number (34932104550).

Almost surely, 2^{2011212133020} is an apocalyptic number.

2011212133020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011212133020 is an abundant number, since it is smaller than the sum of its proper divisors (4695751940580).

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

2011212133020 is a wasteful number, since it uses less digits than its factorization.

2011212133020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2704816 (or 2704796 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2011212133020 its reverse (203312121102), we get a palindrome (2214524254122).

The spelling of 2011212133020 in words is "two trillion, eleven billion, two hundred twelve million, one hundred thirty-three thousand, twenty".