1222220002101 has 24 divisors (see below), whose sum is σ = 1896068520000. Its totient is φ = 698271299712.

The previous prime is 1222220002099. The next prime is 1222220002169. The reversal of 1222220002101 is 1012000222221.

It is not a de Polignac number, because 1222220002101 - 2¹ = 1222220002099 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222220002901) 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, 96756 + ... + 1566461.

It is an arithmetic number, because the mean of its divisors is an integer number (79002855000).

Almost surely, 2^{1222220002101} is an apocalyptic number.

It is an amenable number.

1222220002101 is a deficient number, since it is larger than the sum of its proper divisors (673848517899).

1222220002101 is a wasteful number, since it uses less digits than its factorization.

1222220002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668233 (or 1668226 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1222220002101 its reverse (1012000222221), we get a palindrome (2234220224322).

The spelling of 1222220002101 in words is "one trillion, two hundred twenty-two billion, two hundred twenty million, two thousand, one hundred one".