11002121020220 has 48 divisors (see below), whose sum is σ = 25791018599808. Its totient is φ = 3907730084160.

The previous prime is 11002121020217. The next prime is 11002121020243. The reversal of 11002121020220 is 2202012120011.

It is a junction number, because it is equal to n+sod(n) for n = 11002121020195 and 11002121020204.

It is a congruent number.

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, 581497994 + ... + 581516913.

It is an arithmetic number, because the mean of its divisors is an integer number (537312887496).

Almost surely, 2^{11002121020220} is an apocalyptic number.

11002121020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11002121020220 is an abundant number, since it is smaller than the sum of its proper divisors (14788897579588).

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

11002121020220 is a wasteful number, since it uses less digits than its factorization.

11002121020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163014970 (or 1163014968 counting only the distinct ones).

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

Adding to 11002121020220 its reverse (2202012120011), we get a palindrome (13204133140231).

The spelling of 11002121020220 in words is "eleven trillion, two billion, one hundred twenty-one million, twenty thousand, two hundred twenty".