2220121011020 has 24 divisors (see below), whose sum is σ = 5086095407568. Its totient is φ = 807316731200.

The previous prime is 2220121011001. The next prime is 2220121011037. The reversal of 2220121011020 is 201101210222.

It is a super-2 number, since 2×2220121011020² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2220121010986 and 2220121011004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5045729351 + ... + 5045729790.

It is an arithmetic number, because the mean of its divisors is an integer number (211920641982).

Almost surely, 2^{2220121011020} is an apocalyptic number.

2220121011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220121011020 is an abundant number, since it is smaller than the sum of its proper divisors (2865974396548).

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

2220121011020 is a wasteful number, since it uses less digits than its factorization.

2220121011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10091459161 (or 10091459159 counting only the distinct ones).

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

Adding to 2220121011020 its reverse (201101210222), we get a palindrome (2421222221242).

The spelling of 2220121011020 in words is "two trillion, two hundred twenty billion, one hundred twenty-one million, eleven thousand, twenty".