1211140210023 has 24 divisors (see below), whose sum is σ = 1884373370880. Its totient is φ = 747407699280.

The previous prime is 1211140210003. The next prime is 1211140210037. The reversal of 1211140210023 is 3200120411121.

It is not a de Polignac number, because 1211140210023 - 2⁶ = 1211140209959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1211140209978 and 1211140210005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211140210003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94363243 + ... + 94376076.

It is an arithmetic number, because the mean of its divisors is an integer number (78515557120).

Almost surely, 2^{1211140210023} is an apocalyptic number.

1211140210023 is a deficient number, since it is larger than the sum of its proper divisors (673233160857).

1211140210023 is a wasteful number, since it uses less digits than its factorization.

1211140210023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188739379 (or 188739376 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1211140210023 its reverse (3200120411121), we get a palindrome (4411260621144).

The spelling of 1211140210023 in words is "one trillion, two hundred eleven billion, one hundred forty million, two hundred ten thousand, twenty-three".