2212100021011 has 4 divisors (see below), whose sum is σ = 2213797719952. Its totient is φ = 2210402322072.

The previous prime is 2212100021003. The next prime is 2212100021023. The reversal of 2212100021011 is 1101200012122.

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 2212100021011 - 2³ = 2212100021003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2212100020982 and 2212100021000.

It is not an unprimeable number, because it can be changed into a prime (2212100021041) 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, 848847516 + ... + 848850121.

It is an arithmetic number, because the mean of its divisors is an integer number (553449429988).

Almost surely, 2^{2212100021011} is an apocalyptic number.

2212100021011 is a deficient number, since it is larger than the sum of its proper divisors (1697698941).

2212100021011 is a wasteful number, since it uses less digits than its factorization.

2212100021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697698940.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2212100021011 its reverse (1101200012122), we get a palindrome (3313300033133).

The spelling of 2212100021011 in words is "two trillion, two hundred twelve billion, one hundred million, twenty-one thousand, eleven".