2011120201220 has 48 divisors (see below), whose sum is σ = 4548329210880. Its totient is φ = 742550557056.

The previous prime is 2011120201159. The next prime is 2011120201303. The reversal of 2011120201220 is 221020211102.

It is a junction number, because it is equal to n+sod(n) for n = 2011120201195 and 2011120201204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21856229 + ... + 21948051.

It is an arithmetic number, because the mean of its divisors is an integer number (94756858560).

Almost surely, 2^{2011120201220} is an apocalyptic number.

2011120201220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011120201220 is an abundant number, since it is smaller than the sum of its proper divisors (2537209009660).

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

2011120201220 is a wasteful number, since it uses less digits than its factorization.

2011120201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176084 (or 176082 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2011120201220 its reverse (221020211102), we get a palindrome (2232140412322).

The spelling of 2011120201220 in words is "two trillion, eleven billion, one hundred twenty million, two hundred one thousand, two hundred twenty".