1222001202101 has 16 divisors (see below), whose sum is σ = 1324671910848. Its totient is φ = 1122779616000.

The previous prime is 1222001202077. The next prime is 1222001202137. The reversal of 1222001202101 is 1012021002221.

It is a cyclic number.

It is not a de Polignac number, because 1222001202101 - 2²² = 1221997007797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222001202601) 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, 949946 + ... + 1829316.

It is an arithmetic number, because the mean of its divisors is an integer number (82791994428).

Almost surely, 2^{1222001202101} is an apocalyptic number.

It is an amenable number.

1222001202101 is a deficient number, since it is larger than the sum of its proper divisors (102670708747).

1222001202101 is a wasteful number, since it uses less digits than its factorization.

1222001202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881332.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1222001202101 its reverse (1012021002221), we get a palindrome (2234022204322).

It can be divided in two parts, 122200120 and 2101, that added together give a palindrome (122202221).

The spelling of 1222001202101 in words is "one trillion, two hundred twenty-two billion, one million, two hundred two thousand, one hundred one".