1102111010221 has 16 divisors (see below), whose sum is σ = 1209643948800. Its totient is φ = 997955880768.

The previous prime is 1102111010131. The next prime is 1102111010243. The reversal of 1102111010221 is 1220101112011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1102111010221 - 2²¹ = 1102108913069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102111010291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2438986 + ... + 2855323.

It is an arithmetic number, because the mean of its divisors is an integer number (75602746800).

Almost surely, 2^{1102111010221} is an apocalyptic number.

It is an amenable number.

1102111010221 is a deficient number, since it is larger than the sum of its proper divisors (107532938579).

1102111010221 is a wasteful number, since it uses less digits than its factorization.

1102111010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5294628.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1102111010221 its reverse (1220101112011), we get a palindrome (2322212122232).

The spelling of 1102111010221 in words is "one trillion, one hundred two billion, one hundred eleven million, ten thousand, two hundred twenty-one".