1222201001101 has 6 divisors (see below), whose sum is σ = 1289912968302. Its totient is φ = 1157874632280.

The previous prime is 1222201001081. The next prime is 1222201001107. The reversal of 1222201001101 is 1011001022221.

It can be written as a sum of positive squares in only one way, i.e., 793043680900 + 429157320201 = 890530^2 + 655101^2 .

It is not a de Polignac number, because 1222201001101 - 2⁵ = 1222201001069 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 (1222201001107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1692798810 + ... + 1692799531.

It is an arithmetic number, because the mean of its divisors is an integer number (214985494717).

Almost surely, 2^{1222201001101} is an apocalyptic number.

It is an amenable number.

1222201001101 is a deficient number, since it is larger than the sum of its proper divisors (67711967201).

1222201001101 is an equidigital number, since it uses as much as digits as its factorization.

1222201001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3385598379 (or 3385598360 counting only the distinct ones).

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

Adding to 1222201001101 its reverse (1011001022221), we get a palindrome (2233202023322).

The spelling of 1222201001101 in words is "one trillion, two hundred twenty-two billion, two hundred one million, one thousand, one hundred one".