2211000210021 has 32 divisors (see below), whose sum is σ = 3062212732800. Its totient is φ = 1417808240640.

The previous prime is 2211000210019. The next prime is 2211000210053. The reversal of 2211000210021 is 1200120001122.

It is not a de Polignac number, because 2211000210021 - 2¹ = 2211000210019 is a prime.

It is a super-2 number, since 2×2211000210021² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2211000209979 and 2211000210006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211000210721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72407685 + ... + 72438213.

It is an arithmetic number, because the mean of its divisors is an integer number (95694147900).

Almost surely, 2^{2211000210021} is an apocalyptic number.

It is an amenable number.

2211000210021 is a deficient number, since it is larger than the sum of its proper divisors (851212522779).

2211000210021 is a wasteful number, since it uses less digits than its factorization.

2211000210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37989.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2211000210021 its reverse (1200120001122), we get a palindrome (3411120211143).

The spelling of 2211000210021 in words is "two trillion, two hundred eleven billion, two hundred ten thousand, twenty-one".