1101221940213 has 24 divisors (see below), whose sum is σ = 1684262144448. Its totient is φ = 690946230912.

The previous prime is 1101221940199. The next prime is 1101221940229. The reversal of 1101221940213 is 3120491221011.

1101221940213 is a `hidden beast` number, since 110 + 122 + 19 + 402 + 13 = 666.

It is not a de Polignac number, because 1101221940213 - 2⁴ = 1101221940197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101221940263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10785106 + ... + 10886732.

It is an arithmetic number, because the mean of its divisors is an integer number (70177589352).

Almost surely, 2^{1101221940213} is an apocalyptic number.

It is an amenable number.

1101221940213 is a deficient number, since it is larger than the sum of its proper divisors (583040204235).

1101221940213 is a wasteful number, since it uses less digits than its factorization.

1101221940213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172473 (or 172470 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The spelling of 1101221940213 in words is "one trillion, one hundred one billion, two hundred twenty-one million, nine hundred forty thousand, two hundred thirteen".