1010111232220 has 24 divisors (see below), whose sum is σ = 2130337604304. Its totient is φ = 402310394496.

The previous prime is 1010111232139. The next prime is 1010111232233. The reversal of 1010111232220 is 222321110101.

It is a super-2 number, since 2×1010111232220² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1010111232194 and 1010111232203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108376374 + ... + 108385693.

It is an arithmetic number, because the mean of its divisors is an integer number (88764066846).

Almost surely, 2^{1010111232220} is an apocalyptic number.

1010111232220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010111232220 is an abundant number, since it is smaller than the sum of its proper divisors (1120226372084).

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

1010111232220 is a wasteful number, since it uses less digits than its factorization.

1010111232220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216762309 (or 216762307 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1010111232220 its reverse (222321110101), we get a palindrome (1232432342321).

The spelling of 1010111232220 in words is "one trillion, ten billion, one hundred eleven million, two hundred thirty-two thousand, two hundred twenty".