202011121012220 has 48 divisors (see below), whose sum is σ = 458541735189888. Its totient is φ = 74313486443520.

The previous prime is 202011121012201. The next prime is 202011121012223. The reversal of 202011121012220 is 22210121110202.

It is a super-2 number, since 2×202011121012220² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202011121012223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1433445869 + ... + 1433586788.

It is an arithmetic number, because the mean of its divisors is an integer number (9552952816456).

Almost surely, 2^{202011121012220} is an apocalyptic number.

202011121012220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202011121012220 is an abundant number, since it is smaller than the sum of its proper divisors (256530614177668).

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

202011121012220 is a wasteful number, since it uses less digits than its factorization.

202011121012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2867032950 (or 2867032948 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 202011121012220 its reverse (22210121110202), we get a palindrome (224221242122422).

The spelling of 202011121012220 in words is "two hundred two trillion, eleven billion, one hundred twenty-one million, twelve thousand, two hundred twenty".