1220100120022 has 8 divisors (see below), whose sum is σ = 2091600205776. Its totient is φ = 522900051432.

The previous prime is 1220100120011. The next prime is 1220100120023. The reversal of 1220100120022 is 2200210010221.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1220100119984 and 1220100120011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220100120023) 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, 43575004273 + ... + 43575004300.

It is an arithmetic number, because the mean of its divisors is an integer number (261450025722).

Almost surely, 2^{1220100120022} is an apocalyptic number.

1220100120022 is a deficient number, since it is larger than the sum of its proper divisors (871500085754).

1220100120022 is an equidigital number, since it uses as much as digits as its factorization.

1220100120022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87150008582.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1220100120022 its reverse (2200210010221), we get a palindrome (3420310130243).

The spelling of 1220100120022 in words is "one trillion, two hundred twenty billion, one hundred million, one hundred twenty thousand, twenty-two".