1210211321133 has 16 divisors (see below), whose sum is σ = 1622721836736. Its totient is φ = 802255230720.

The previous prime is 1210211321093. The next prime is 1210211321239. The reversal of 1210211321133 is 3311231120121.

It is not a de Polignac number, because 1210211321133 - 2²⁹ = 1209674450221 is a prime.

It is a super-2 number, since 2×1210211321133² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210211323133) 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, 4625566 + ... + 4880192.

It is an arithmetic number, because the mean of its divisors is an integer number (101420114796).

Almost surely, 2^{1210211321133} is an apocalyptic number.

It is an amenable number.

1210211321133 is a deficient number, since it is larger than the sum of its proper divisors (412510515603).

1210211321133 is a wasteful number, since it uses less digits than its factorization.

1210211321133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263564.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1210211321133 its reverse (3311231120121), we get a palindrome (4521442441254).

The spelling of 1210211321133 in words is "one trillion, two hundred ten billion, two hundred eleven million, three hundred twenty-one thousand, one hundred thirty-three".