2101012102211 has 4 divisors (see below), whose sum is σ = 2292013202424. Its totient is φ = 1910011002000.

The previous prime is 2101012102207. The next prime is 2101012102261. The reversal of 2101012102211 is 1122012101012.

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

It is a cyclic number.

It is not a de Polignac number, because 2101012102211 - 2² = 2101012102207 is a prime.

It is a super-2 number, since 2×2101012102211² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2101012102261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95500550090 + ... + 95500550111.

It is an arithmetic number, because the mean of its divisors is an integer number (573003300606).

Almost surely, 2^{2101012102211} is an apocalyptic number.

2101012102211 is a deficient number, since it is larger than the sum of its proper divisors (191001100213).

2101012102211 is a wasteful number, since it uses less digits than its factorization.

2101012102211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191001100212.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2101012102211 its reverse (1122012101012), we get a palindrome (3223024203223).

The spelling of 2101012102211 in words is "two trillion, one hundred one billion, twelve million, one hundred two thousand, two hundred eleven".