1101012222111 has 32 divisors (see below), whose sum is σ = 1491172650240. Its totient is φ = 722472825600.

The previous prime is 1101012222031. The next prime is 1101012222113. The reversal of 1101012222111 is 1112222101011.

It is a happy number.

It is not a de Polignac number, because 1101012222111 - 2¹⁹ = 1101011697823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101012222113) 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, 378483325 + ... + 378486233.

It is an arithmetic number, because the mean of its divisors is an integer number (46599145320).

Almost surely, 2^{1101012222111} is an apocalyptic number.

1101012222111 is a deficient number, since it is larger than the sum of its proper divisors (390160428129).

1101012222111 is a wasteful number, since it uses less digits than its factorization.

1101012222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5927.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1101012222111 its reverse (1112222101011), we get a palindrome (2213234323122).

The spelling of 1101012222111 in words is "one trillion, one hundred one billion, twelve million, two hundred twenty-two thousand, one hundred eleven".