1202220221101 has 16 divisors (see below), whose sum is σ = 1272744423360. Its totient is φ = 1132437196800.

The previous prime is 1202220221071. The next prime is 1202220221123. The reversal of 1202220221101 is 1011220222021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1202220221101 - 2¹³ = 1202220212909 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 (1202220227101) 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, 2445951 + ... + 2896051.

It is an arithmetic number, because the mean of its divisors is an integer number (79546526460).

Almost surely, 2^{1202220221101} is an apocalyptic number.

It is an amenable number.

1202220221101 is a deficient number, since it is larger than the sum of its proper divisors (70524202259).

1202220221101 is a wasteful number, since it uses less digits than its factorization.

1202220221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450924.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1202220221101 its reverse (1011220222021), we get a palindrome (2213440443122).

The spelling of 1202220221101 in words is "one trillion, two hundred two billion, two hundred twenty million, two hundred twenty-one thousand, one hundred one".