102012111211033 has 4 divisors (see below), whose sum is σ = 105529770218340. Its totient is φ = 98494452203728.

The previous prime is 102012111211019. The next prime is 102012111211051. The reversal of 102012111211033 is 330112111210201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 86868868200409 + 15143243010624 = 9320347^2 + 3891432^2 .

It is a cyclic number.

It is not a de Polignac number, because 102012111211033 - 2²¹ = 102012109113881 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102012111211033.

It is not an unprimeable number, because it can be changed into a prime (102012111211013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1758829503610 + ... + 1758829503667.

It is an arithmetic number, because the mean of its divisors is an integer number (26382442554585).

Almost surely, 2^{102012111211033} is an apocalyptic number.

It is an amenable number.

102012111211033 is a deficient number, since it is larger than the sum of its proper divisors (3517659007307).

102012111211033 is an equidigital number, since it uses as much as digits as its factorization.

102012111211033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3517659007306.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 102012111211033 its reverse (330112111210201), we get a palindrome (432124222421234).

The spelling of 102012111211033 in words is "one hundred two trillion, twelve billion, one hundred eleven million, two hundred eleven thousand, thirty-three".