2101121222 has 8 divisors (see below), whose sum is σ = 3337074936. Its totient is φ = 988762912.

The previous prime is 2101121207. The next prime is 2101121237. The reversal of 2101121222 is 2221211012.

It is an interprime number because it is at equal distance from previous prime (2101121207) and next prime (2101121237).

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

It is a junction number, because it is equal to n+sod(n) for n = 2101121197 and 2101121206.

It is a congruent number.

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, 30898808 + ... + 30898875.

It is an arithmetic number, because the mean of its divisors is an integer number (417134367).

Almost surely, 2^2101121222 is an apocalyptic number.

2101121222 is a deficient number, since it is larger than the sum of its proper divisors (1235953714).

2101121222 is a wasteful number, since it uses less digits than its factorization.

2101121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61797702.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2101121222 is about 45837.9888520428. The cubic root of 2101121222 is about 1280.8070313485.

Adding to 2101121222 its reverse (2221211012), we get a palindrome (4322332234).

The spelling of 2101121222 in words is "two billion, one hundred one million, one hundred twenty-one thousand, two hundred twenty-two".