1213333201101 has 16 divisors (see below), whose sum is σ = 1848965184000. Its totient is φ = 693304571568.

The previous prime is 1213333201061. The next prime is 1213333201133. The reversal of 1213333201101 is 1011023333121.

It is a happy number.

It is not a de Polignac number, because 1213333201101 - 2²⁹ = 1212796330189 is a prime.

It is a super-2 number, since 2×1213333201101² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213333201601) 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, 670251 + ... + 1695848.

It is an arithmetic number, because the mean of its divisors is an integer number (115560324000).

Almost surely, 2^{1213333201101} is an apocalyptic number.

It is an amenable number.

1213333201101 is a deficient number, since it is larger than the sum of its proper divisors (635631982899).

1213333201101 is a wasteful number, since it uses less digits than its factorization.

1213333201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2390528.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1213333201101 its reverse (1011023333121), we get a palindrome (2224356534222).

The spelling of 1213333201101 in words is "one trillion, two hundred thirteen billion, three hundred thirty-three million, two hundred one thousand, one hundred one".