220111100102 has 8 divisors (see below), whose sum is σ = 330168862800. Its totient is φ = 110054812504.

The previous prime is 220111100101. The next prime is 220111100149. The reversal of 220111100102 is 201001111022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×220111100102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220111100101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150524 + ... + 680352.

It is an arithmetic number, because the mean of its divisors is an integer number (41271107850).

Almost surely, 2^220111100102 is an apocalyptic number.

220111100102 is a deficient number, since it is larger than the sum of its proper divisors (110057762698).

220111100102 is a wasteful number, since it uses less digits than its factorization.

220111100102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737550.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 220111100102 its reverse (201001111022), we get a palindrome (421112211124).

The spelling of 220111100102 in words is "two hundred twenty billion, one hundred eleven million, one hundred thousand, one hundred two".