1222100100002 has 8 divisors (see below), whose sum is σ = 1837109438976. Its totient is φ = 609730287012.

The previous prime is 1222100099999. The next prime is 1222100100041. The reversal of 1222100100002 is 2000010012221.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 659880338 + ... + 659882189.

It is an arithmetic number, because the mean of its divisors is an integer number (229638679872).

Almost surely, 2^{1222100100002} is an apocalyptic number.

1222100100002 is a deficient number, since it is larger than the sum of its proper divisors (615009338974).

1222100100002 is a wasteful number, since it uses less digits than its factorization.

1222100100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319762992.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1222100100002 its reverse (2000010012221), we get a palindrome (3222110112223).

The spelling of 1222100100002 in words is "one trillion, two hundred twenty-two billion, one hundred million, one hundred thousand, two".