220100021101012 has 48 divisors (see below), whose sum is σ = 424887619286592. Its totient is φ = 99120005429760.

The previous prime is 220100021101007. The next prime is 220100021101027. The reversal of 220100021101012 is 210101120001022.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 220100021100983 and 220100021101001.

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, 48516133 + ... + 52858444.

It is an arithmetic number, because the mean of its divisors is an integer number (8851825401804).

Almost surely, 2^{220100021101012} is an apocalyptic number.

It is an amenable number.

220100021101012 is a deficient number, since it is larger than the sum of its proper divisors (204787598185580).

220100021101012 is a wasteful number, since it uses less digits than its factorization.

220100021101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101375608 (or 101375606 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 220100021101012 its reverse (210101120001022), we get a palindrome (430201141102034).

The spelling of 220100021101012 in words is "two hundred twenty trillion, one hundred billion, twenty-one million, one hundred one thousand, twelve".