1102201110021 has 32 divisors (see below), whose sum is σ = 1697614858368. Its totient is φ = 628666787840.

The previous prime is 1102201110013. The next prime is 1102201110061. The reversal of 1102201110021 is 1200111022011.

It is a cyclic number.

It is not a de Polignac number, because 1102201110021 - 2³ = 1102201110013 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1102201109979 and 1102201110006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102201110061) 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, 10391371 + ... + 10496903.

It is an arithmetic number, because the mean of its divisors is an integer number (53050464324).

Almost surely, 2^{1102201110021} is an apocalyptic number.

1102201110021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1102201110021 is a deficient number, since it is larger than the sum of its proper divisors (595413748347).

1102201110021 is a wasteful number, since it uses less digits than its factorization.

1102201110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124181.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1102201110021 its reverse (1200111022011), we get a palindrome (2302312132032).

The spelling of 1102201110021 in words is "one trillion, one hundred two billion, two hundred one million, one hundred ten thousand, twenty-one".