201100111121102 has 16 divisors (see below), whose sum is σ = 303004053821952. Its totient is φ = 100098763406520.

The previous prime is 201100111121101. The next prime is 201100111121123. The reversal of 201100111121102 is 201121111001102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201100111121101) 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, 135744173 + ... + 137217639.

It is an arithmetic number, because the mean of its divisors is an integer number (18937753363872).

Almost surely, 2^{201100111121102} is an apocalyptic number.

201100111121102 is a deficient number, since it is larger than the sum of its proper divisors (101903942700850).

201100111121102 is a wasteful number, since it uses less digits than its factorization.

201100111121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779703.

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

Adding to 201100111121102 its reverse (201121111001102), we get a palindrome (402221222122204).

The spelling of 201100111121102 in words is "two hundred one trillion, one hundred billion, one hundred eleven million, one hundred twenty-one thousand, one hundred two".