1222101209973 has 64 divisors (see below), whose sum is σ = 1993893138432. Its totient is φ = 649916974080.

The previous prime is 1222101209969. The next prime is 1222101210013. The reversal of 1222101209973 is 3799021012221.

It is a happy number.

It is not a de Polignac number, because 1222101209973 - 2² = 1222101209969 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222101209473) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25090263 + ... + 25138923.

It is an arithmetic number, because the mean of its divisors is an integer number (31154580288).

Almost surely, 2^{1222101209973} is an apocalyptic number.

It is an amenable number.

1222101209973 is a deficient number, since it is larger than the sum of its proper divisors (771791928459).

1222101209973 is a wasteful number, since it uses less digits than its factorization.

1222101209973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49474.

The product of its (nonzero) digits is 27216, while the sum is 39.

The spelling of 1222101209973 in words is "one trillion, two hundred twenty-two billion, one hundred one million, two hundred nine thousand, nine hundred seventy-three".