101220111122230 has 64 divisors (see below), whose sum is σ = 187139197143360. Its totient is φ = 39396831215616.

The previous prime is 101220111122197. The next prime is 101220111122243. The reversal of 101220111122230 is 32221111022101.

It is a junction number, because it is equal to n+sod(n) for n = 101220111122198 and 101220111122207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 341662806 + ... + 341958934.

It is an arithmetic number, because the mean of its divisors is an integer number (2924049955365).

Almost surely, 2^{101220111122230} is an apocalyptic number.

101220111122230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101220111122230 is a deficient number, since it is larger than the sum of its proper divisors (85919086021130).

101220111122230 is a wasteful number, since it uses less digits than its factorization.

101220111122230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299185.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 101220111122230 its reverse (32221111022101), we get a palindrome (133441222144331).

The spelling of 101220111122230 in words is "one hundred one trillion, two hundred twenty billion, one hundred eleven million, one hundred twenty-two thousand, two hundred thirty".