1102111022221 has 16 divisors (see below), whose sum is σ = 1207431485568. Its totient is φ = 997646284800.

The previous prime is 1102111022209. The next prime is 1102111022303. The reversal of 1102111022221 is 1222201112011.

It is not a de Polignac number, because 1102111022221 - 2¹³ = 1102111014029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1102111022195 and 1102111022204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102111022521) 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, 29903421 + ... + 29940253.

It is an arithmetic number, because the mean of its divisors is an integer number (75464467848).

Almost surely, 2^{1102111022221} is an apocalyptic number.

1102111022221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1102111022221 is a deficient number, since it is larger than the sum of its proper divisors (105320463347).

1102111022221 is a wasteful number, since it uses less digits than its factorization.

1102111022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48372.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1102111022221 its reverse (1222201112011), we get a palindrome (2324312134232).

The spelling of 1102111022221 in words is "one trillion, one hundred two billion, one hundred eleven million, twenty-two thousand, two hundred twenty-one".