201122100101012 has 24 divisors (see below), whose sum is σ = 360309873983136. Its totient is φ = 98178512691168.

The previous prime is 201122100100979. The next prime is 201122100101029. The reversal of 201122100101012 is 210101001221102.

It is a super-2 number, since 2×201122100101012² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260972978 + ... + 261742505.

It is an arithmetic number, because the mean of its divisors is an integer number (15012911415964).

Almost surely, 2^{201122100101012} is an apocalyptic number.

It is an amenable number.

201122100101012 is a deficient number, since it is larger than the sum of its proper divisors (159187773882124).

201122100101012 is a wasteful number, since it uses less digits than its factorization.

201122100101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522717767 (or 522717765 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201122100101012 its reverse (210101001221102), we get a palindrome (411223101322114).

The spelling of 201122100101012 in words is "two hundred one trillion, one hundred twenty-two billion, one hundred million, one hundred one thousand, twelve".