2101211101222 has 8 divisors (see below), whose sum is σ = 3168318310272. Its totient is φ = 1045104997800.

The previous prime is 2101211101193. The next prime is 2101211101267. The reversal of 2101211101222 is 2221011121012.

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 = 2101211101196 and 2101211101205.

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, 2750275929 + ... + 2750276692.

It is an arithmetic number, because the mean of its divisors is an integer number (396039788784).

Almost surely, 2^{2101211101222} is an apocalyptic number.

2101211101222 is a deficient number, since it is larger than the sum of its proper divisors (1067107209050).

2101211101222 is a wasteful number, since it uses less digits than its factorization.

2101211101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5500552814.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2101211101222 its reverse (2221011121012), we get a palindrome (4322222222234).

The spelling of 2101211101222 in words is "two trillion, one hundred one billion, two hundred eleven million, one hundred one thousand, two hundred twenty-two".