1220101101201 has 4 divisors (see below), whose sum is σ = 1626801468272. Its totient is φ = 813400734132.

The previous prime is 1220101101173. The next prime is 1220101101251. The reversal of 1220101101201 is 1021011010221.

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 not a de Polignac number, because 1220101101201 - 2²³ = 1220092712593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220101101251) 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, 203350183531 + ... + 203350183536.

It is an arithmetic number, because the mean of its divisors is an integer number (406700367068).

Almost surely, 2^{1220101101201} is an apocalyptic number.

It is an amenable number.

1220101101201 is a deficient number, since it is larger than the sum of its proper divisors (406700367071).

1220101101201 is an equidigital number, since it uses as much as digits as its factorization.

1220101101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406700367070.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1220101101201 its reverse (1021011010221), we get a palindrome (2241112111422).

The spelling of 1220101101201 in words is "one trillion, two hundred twenty billion, one hundred one million, one hundred one thousand, two hundred one".