101211010111222 has 16 divisors (see below), whose sum is σ = 167257798891344. Its totient is φ = 45549509500000.

The previous prime is 101211010111217. The next prime is 101211010111223. The reversal of 101211010111222 is 222111010112101.

It is a junction number, because it is equal to n+sod(n) for n = 101211010111196 and 101211010111205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101211010111223) 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, 22774752529 + ... + 22774756972.

It is an arithmetic number, because the mean of its divisors is an integer number (10453612430709).

Almost surely, 2^{101211010111222} is an apocalyptic number.

101211010111222 is a deficient number, since it is larger than the sum of its proper divisors (66046788780122).

101211010111222 is a wasteful number, since it uses less digits than its factorization.

101211010111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45549509615.

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

Adding to 101211010111222 its reverse (222111010112101), we get a palindrome (323322020223323).

The spelling of 101211010111222 in words is "one hundred one trillion, two hundred eleven billion, ten million, one hundred eleven thousand, two hundred twenty-two".