1220022012211 has 8 divisors (see below), whose sum is σ = 1302804374400. Its totient is φ = 1139953825920.

The previous prime is 1220022012203. The next prime is 1220022012221. The reversal of 1220022012211 is 1122102200221.

It is a happy number.

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 1220022012211 - 2³ = 1220022012203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220022012221) 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, 678543046 + ... + 678544843.

It is an arithmetic number, because the mean of its divisors is an integer number (162850546800).

Almost surely, 2^{1220022012211} is an apocalyptic number.

1220022012211 is a deficient number, since it is larger than the sum of its proper divisors (82782362189).

1220022012211 is a wasteful number, since it uses less digits than its factorization.

1220022012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357087949.

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

Adding to 1220022012211 its reverse (1122102200221), we get a palindrome (2342124212432).

The spelling of 1220022012211 in words is "one trillion, two hundred twenty billion, twenty-two million, twelve thousand, two hundred eleven".