1220100211110 has 64 divisors (see below), whose sum is σ = 3226072437504. Its totient is φ = 292853328000.

The previous prime is 1220100211081. The next prime is 1220100211123. The reversal of 1220100211110 is 111120010221.

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, 18270004 + ... + 18336663.

It is an arithmetic number, because the mean of its divisors is an integer number (50407381836).

Almost surely, 2^{1220100211110} is an apocalyptic number.

1220100211110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220100211110 is an abundant number, since it is smaller than the sum of its proper divisors (2005972226394).

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

1220100211110 is a wasteful number, since it uses less digits than its factorization.

1220100211110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36606789.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1220100211110 its reverse (111120010221), we get a palindrome (1331220221331).

The spelling of 1220100211110 in words is "one trillion, two hundred twenty billion, one hundred million, two hundred eleven thousand, one hundred ten".