1211000102018 has 16 divisors (see below), whose sum is σ = 2076024484224. Its totient is φ = 518993966400.

The previous prime is 1211000102017. The next prime is 1211000102071. The reversal of 1211000102018 is 8102010001121.

It is a junction number, because it is equal to n+sod(n) for n = 1211000101987 and 1211000102005.

It is not an unprimeable number, because it can be changed into a prime (1211000102017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 858746 + ... + 1777482.

It is an arithmetic number, because the mean of its divisors is an integer number (129751530264).

Almost surely, 2^{1211000102018} is an apocalyptic number.

1211000102018 is a deficient number, since it is larger than the sum of its proper divisors (865024382206).

1211000102018 is an equidigital number, since it uses as much as digits as its factorization.

1211000102018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012897.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1211000102018 its reverse (8102010001121), we get a palindrome (9313010103139).

The spelling of 1211000102018 in words is "one trillion, two hundred eleven billion, one hundred two thousand, eighteen".