210101111111203 has 16 divisors (see below), whose sum is σ = 228842490020256. Its totient is φ = 191733975014400.

The previous prime is 210101111111183. The next prime is 210101111111237. The reversal of 210101111111203 is 302111111101012.

It is not a de Polignac number, because 210101111111203 - 2¹³ = 210101111103011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210101111111603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117999025 + ... + 119766322.

It is an arithmetic number, because the mean of its divisors is an integer number (14302655626266).

Almost surely, 2^{210101111111203} is an apocalyptic number.

210101111111203 is a deficient number, since it is larger than the sum of its proper divisors (18741378909053).

210101111111203 is a wasteful number, since it uses less digits than its factorization.

210101111111203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237766134.

The product of its (nonzero) digits is 12, while the sum is 16.

Adding to 210101111111203 its reverse (302111111101012), we get a palindrome (512212222212215).

The spelling of 210101111111203 in words is "two hundred ten trillion, one hundred one billion, one hundred eleven million, one hundred eleven thousand, two hundred three".