1220022110101 has 4 divisors (see below), whose sum is σ = 1222569129600. Its totient is φ = 1217475090604.

The previous prime is 1220022110089. The next prime is 1220022110117. The reversal of 1220022110101 is 1010112200221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1220022110101 - 2¹⁹ = 1220021585813 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 (1220022110201) 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, 1273509031 + ... + 1273509988.

It is an arithmetic number, because the mean of its divisors is an integer number (305642282400).

Almost surely, 2^{1220022110101} is an apocalyptic number.

It is an amenable number.

1220022110101 is a deficient number, since it is larger than the sum of its proper divisors (2547019499).

1220022110101 is an equidigital number, since it uses as much as digits as its factorization.

1220022110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2547019498.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1220022110101 its reverse (1010112200221), we get a palindrome (2230134310322).

It can be divided in two parts, 12200221 and 10101, that multiplied together give a palindrome (123234432321).

The spelling of 1220022110101 in words is "one trillion, two hundred twenty billion, twenty-two million, one hundred ten thousand, one hundred one".