2221020102111 has 32 divisors (see below), whose sum is σ = 2989042010880. Its totient is φ = 1466904950784.

The previous prime is 2221020102109. The next prime is 2221020102113. The reversal of 2221020102111 is 1112010201222.

It is an interprime number because it is at equal distance from previous prime (2221020102109) and next prime (2221020102113).

It is not a de Polignac number, because 2221020102111 - 2¹ = 2221020102109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221020102113) 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, 206812780 + ... + 206823518.

It is an arithmetic number, because the mean of its divisors is an integer number (93407562840).

Almost surely, 2^{2221020102111} is an apocalyptic number.

2221020102111 is a deficient number, since it is larger than the sum of its proper divisors (768021908769).

2221020102111 is a wasteful number, since it uses less digits than its factorization.

2221020102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12215.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2221020102111 its reverse (1112010201222), we get a palindrome (3333030303333).

The spelling of 2221020102111 in words is "two trillion, two hundred twenty-one billion, twenty million, one hundred two thousand, one hundred eleven".