1011202220220 has 48 divisors (see below), whose sum is σ = 2839767953568. Its totient is φ = 268853760000.

The previous prime is 1011202220209. The next prime is 1011202220243. The reversal of 1011202220220 is 220222021101.

1011202220220 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1011202220220.

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, 24984781 + ... + 25025220.

It is an arithmetic number, because the mean of its divisors is an integer number (59161832366).

Almost surely, 2^{1011202220220} is an apocalyptic number.

1011202220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011202220220 is an abundant number, since it is smaller than the sum of its proper divisors (1828565733348).

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

1011202220220 is a wasteful number, since it uses less digits than its factorization.

1011202220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50010350 (or 50010348 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1011202220220 its reverse (220222021101), we get a palindrome (1231424241321).

The spelling of 1011202220220 in words is "one trillion, eleven billion, two hundred two million, two hundred twenty thousand, two hundred twenty".