1121210001201 has 16 divisors (see below), whose sum is σ = 1507808839680. Its totient is φ = 741053236560.

The previous prime is 1121210001181. The next prime is 1121210001271. The reversal of 1121210001201 is 1021000121211.

It is not a de Polignac number, because 1121210001201 - 2¹³ = 1121209993009 is a prime.

It is a super-2 number, since 2×1121210001201² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1121210001271) 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, 964605 + ... + 1781258.

It is an arithmetic number, because the mean of its divisors is an integer number (94238052480).

Almost surely, 2^{1121210001201} is an apocalyptic number.

It is an amenable number.

1121210001201 is a deficient number, since it is larger than the sum of its proper divisors (386598838479).

1121210001201 is a wasteful number, since it uses less digits than its factorization.

1121210001201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747036.

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

Adding to 1121210001201 its reverse (1021000121211), we get a palindrome (2142210122412).

It can be divided in two parts, 11 and 21210001201, that added together give a palindrome (21210001212).

The spelling of 1121210001201 in words is "one trillion, one hundred twenty-one billion, two hundred ten million, one thousand, two hundred one".