2211100021010 has 16 divisors (see below), whose sum is σ = 3988613408472. Its totient is φ = 882521481600.

The previous prime is 2211100020967. The next prime is 2211100021103. The reversal of 2211100021010 is 101200011122.

It can be written as a sum of positive squares in 4 ways, for example, as 1936464281761 + 274635739249 = 1391569^2 + 524057^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2211100020982 and 2211100021000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239811011 + ... + 239820230.

Almost surely, 2^{2211100021010} is an apocalyptic number.

2211100021010 is a deficient number, since it is larger than the sum of its proper divisors (1777513387462).

2211100021010 is a wasteful number, since it uses less digits than its factorization.

2211100021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479631709.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2211100021010 its reverse (101200011122), we get a palindrome (2312300032132).

The spelling of 2211100021010 in words is "two trillion, two hundred eleven billion, one hundred million, twenty-one thousand, ten".