2101131311222 has 4 divisors (see below), whose sum is σ = 3151696966836. Its totient is φ = 1050565655610.

The previous prime is 2101131311203. The next prime is 2101131311243. The reversal of 2101131311222 is 2221131311012.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2101131311194 and 2101131311203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525282827804 + ... + 525282827807.

It is an arithmetic number, because the mean of its divisors is an integer number (787924241709).

Almost surely, 2^{2101131311222} is an apocalyptic number.

2101131311222 is a deficient number, since it is larger than the sum of its proper divisors (1050565655614).

2101131311222 is a wasteful number, since it uses less digits than its factorization.

2101131311222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050565655613.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 2101131311222 its reverse (2221131311012), we get a palindrome (4322262622234).

The spelling of 2101131311222 in words is "two trillion, one hundred one billion, one hundred thirty-one million, three hundred eleven thousand, two hundred twenty-two".