1211133023099 has 16 divisors (see below), whose sum is σ = 1283600352000. Its totient is φ = 1139540055264.

The previous prime is 1211133023077. The next prime is 1211133023131. The reversal of 1211133023099 is 9903203311121.

It is a cyclic number.

It is not a de Polignac number, because 1211133023099 - 2¹² = 1211133019003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1211133023059) 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, 25985114 + ... + 26031680.

It is an arithmetic number, because the mean of its divisors is an integer number (80225022000).

Almost surely, 2^{1211133023099} is an apocalyptic number.

1211133023099 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1211133023099 is a deficient number, since it is larger than the sum of its proper divisors (72467328901).

1211133023099 is a wasteful number, since it uses less digits than its factorization.

1211133023099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55922.

The product of its (nonzero) digits is 8748, while the sum is 35.

The spelling of 1211133023099 in words is "one trillion, two hundred eleven billion, one hundred thirty-three million, twenty-three thousand, ninety-nine".