1220100211199 has 16 divisors (see below), whose sum is σ = 1268064178176. Its totient is φ = 1172677392000.

The previous prime is 1220100211181. The next prime is 1220100211241. The reversal of 1220100211199 is 9911120010221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220100211199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220100211399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24770654 + ... + 24819860.

It is an arithmetic number, because the mean of its divisors is an integer number (79254011136).

Almost surely, 2^{1220100211199} is an apocalyptic number.

1220100211199 is a deficient number, since it is larger than the sum of its proper divisors (47963966977).

1220100211199 is a wasteful number, since it uses less digits than its factorization.

1220100211199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54686.

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 1220100211199 in words is "one trillion, two hundred twenty billion, one hundred million, two hundred eleven thousand, one hundred ninety-nine".