1220100022099 has 24 divisors (see below), whose sum is σ = 1466795011968. Its totient is φ = 1010882517120.

The previous prime is 1220100022093. The next prime is 1220100022123. The reversal of 1220100022099 is 9902200010221.

It is not a de Polignac number, because 1220100022099 - 2⁷ = 1220100021971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220100022093) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 833157 + ... + 1770409.

It is an arithmetic number, because the mean of its divisors is an integer number (61116458832).

Almost surely, 2^{1220100022099} is an apocalyptic number.

1220100022099 is a deficient number, since it is larger than the sum of its proper divisors (246694989869).

1220100022099 is an equidigital number, since it uses as much as digits as its factorization.

1220100022099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938155 (or 938148 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 1220100022099 in words is "one trillion, two hundred twenty billion, one hundred million, twenty-two thousand, ninety-nine".