1211110202023 has 16 divisors (see below), whose sum is σ = 1265680797696. Its totient is φ = 1157518343520.

The previous prime is 1211110201993. The next prime is 1211110202041. The reversal of 1211110202023 is 3202020111121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1211110202023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1211110201988 and 1211110202006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211110200023) 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, 7450765 + ... + 7611577.

It is an arithmetic number, because the mean of its divisors is an integer number (79105049856).

Almost surely, 2^{1211110202023} is an apocalyptic number.

1211110202023 is a deficient number, since it is larger than the sum of its proper divisors (54570595673).

1211110202023 is a wasteful number, since it uses less digits than its factorization.

1211110202023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163854.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1211110202023 its reverse (3202020111121), we get a palindrome (4413130313144).

The spelling of 1211110202023 in words is "one trillion, two hundred eleven billion, one hundred ten million, two hundred two thousand, twenty-three".