200111221121012 has 48 divisors (see below), whose sum is σ = 371229987452688. Its totient is φ = 94059406049280.

The previous prime is 200111221120991. The next prime is 200111221121083. The reversal of 200111221121012 is 210121122111002.

It can be written as a sum of positive squares in 8 ways, for example, as 14975630666896 + 185135590454116 = 3869836^2 + 13606454^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197302712 + ... + 198314352.

It is an arithmetic number, because the mean of its divisors is an integer number (7733958071931).

Almost surely, 2^{200111221121012} is an apocalyptic number.

It is an amenable number.

200111221121012 is a deficient number, since it is larger than the sum of its proper divisors (171118766331676).

200111221121012 is a wasteful number, since it uses less digits than its factorization.

200111221121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015076 (or 1015074 counting only the distinct ones).

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

Adding to 200111221121012 its reverse (210121122111002), we get a palindrome (410232343232014).

The spelling of 200111221121012 in words is "two hundred trillion, one hundred eleven billion, two hundred twenty-one million, one hundred twenty-one thousand, twelve".