1131222311002 has 32 divisors (see below), whose sum is σ = 1949774284800. Its totient is φ = 482182687728.

The previous prime is 1131222310991. The next prime is 1131222311029. The reversal of 1131222311002 is 2001132221311.

It is a super-2 number, since 2×1131222311002² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1607923 + ... + 2201785.

It is an arithmetic number, because the mean of its divisors is an integer number (60930446400).

Almost surely, 2^{1131222311002} is an apocalyptic number.

1131222311002 is a deficient number, since it is larger than the sum of its proper divisors (818551973798).

1131222311002 is a wasteful number, since it uses less digits than its factorization.

1131222311002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594610.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1131222311002 its reverse (2001132221311), we get a palindrome (3132354532313).

It can be divided in two parts, 11312223 and 11002, that added together give a square (11323225 = 3365²).

The spelling of 1131222311002 in words is "one trillion, one hundred thirty-one billion, two hundred twenty-two million, three hundred eleven thousand, two".