200120121111110 has 64 divisors (see below), whose sum is σ = 367891221734784. Its totient is φ = 78359187456000.

The previous prime is 200120121111041. The next prime is 200120121111133. The reversal of 200120121111110 is 11111121021002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 494947430 + ... + 495351590.

It is an arithmetic number, because the mean of its divisors is an integer number (5748300339606).

Almost surely, 2^{200120121111110} is an apocalyptic number.

200120121111110 is a deficient number, since it is larger than the sum of its proper divisors (167771100623674).

200120121111110 is a wasteful number, since it uses less digits than its factorization.

200120121111110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409329.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 200120121111110 its reverse (11111121021002), we get a palindrome (211231242132112).

The spelling of 200120121111110 in words is "two hundred trillion, one hundred twenty billion, one hundred twenty-one million, one hundred eleven thousand, one hundred ten".