2212221201000 has 64 divisors (see below), whose sum is σ = 6902130156480. Its totient is φ = 589925652800.

The previous prime is 2212221200983. The next prime is 2212221201059. The reversal of 2212221201000 is 1021222122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 368700534 + ... + 368706533.

It is an arithmetic number, because the mean of its divisors is an integer number (107845783695).

Almost surely, 2^{2212221201000} is an apocalyptic number.

2212221201000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212221201000 is an abundant number, since it is smaller than the sum of its proper divisors (4689908955480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2212221201000 is a wasteful number, since it uses less digits than its factorization.

2212221201000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737407091 (or 737407077 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2212221201000 its reverse (1021222122), we get a palindrome (2213242423122).

The spelling of 2212221201000 in words is "two trillion, two hundred twelve billion, two hundred twenty-one million, two hundred one thousand".