2101311001022 has 4 divisors (see below), whose sum is σ = 3151966501536. Its totient is φ = 1050655500510.

The previous prime is 2101311001003. The next prime is 2101311001037. The reversal of 2101311001022 is 2201001131012.

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 = 2101311000988 and 2101311001006.

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, 525327750254 + ... + 525327750257.

It is an arithmetic number, because the mean of its divisors is an integer number (787991625384).

Almost surely, 2^{2101311001022} is an apocalyptic number.

2101311001022 is a deficient number, since it is larger than the sum of its proper divisors (1050655500514).

2101311001022 is a wasteful number, since it uses less digits than its factorization.

2101311001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050655500513.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 2101311001022 its reverse (2201001131012), we get a palindrome (4302312132034).

The spelling of 2101311001022 in words is "two trillion, one hundred one billion, three hundred eleven million, one thousand, twenty-two".