201211201221122 has 8 divisors (see below), whose sum is σ = 301847792394000. Its totient is φ = 100595270423124.

The previous prime is 201211201221047. The next prime is 201211201221139. The reversal of 201211201221122 is 221122102112102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 201211201221094 and 201211201221103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5165069372 + ... + 5165108327.

It is an arithmetic number, because the mean of its divisors is an integer number (37730974049250).

Almost surely, 2^{201211201221122} is an apocalyptic number.

201211201221122 is a deficient number, since it is larger than the sum of its proper divisors (100636591172878).

201211201221122 is a wasteful number, since it uses less digits than its factorization.

201211201221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10330187440.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 201211201221122 its reverse (221122102112102), we get a palindrome (422333303333224).

The spelling of 201211201221122 in words is "two hundred one trillion, two hundred eleven billion, two hundred one million, two hundred twenty-one thousand, one hundred twenty-two".