1220766212101 has 8 divisors (see below), whose sum is σ = 1258822732608. Its totient is φ = 1183104060000.

The previous prime is 1220766212093. The next prime is 1220766212117. The reversal of 1220766212101 is 1012126670221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1220766212101 - 2³ = 1220766212093 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 (1220766212201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98585815 + ... + 98598196.

It is an arithmetic number, because the mean of its divisors is an integer number (157352841576).

Almost surely, 2^{1220766212101} is an apocalyptic number.

It is an amenable number.

1220766212101 is a deficient number, since it is larger than the sum of its proper divisors (38056520507).

1220766212101 is a wasteful number, since it uses less digits than its factorization.

1220766212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197184203.

The product of its (nonzero) digits is 4032, while the sum is 31.

The spelling of 1220766212101 in words is "one trillion, two hundred twenty billion, seven hundred sixty-six million, two hundred twelve thousand, one hundred one".