101211101121222 has 32 divisors (see below), whose sum is σ = 224973808577760. Its totient is φ = 33727996127520.

The previous prime is 101211101121181. The next prime is 101211101121223. The reversal of 101211101121222 is 222121101112101.

It is a happy number.

101211101121222 is a `hidden beast` number, since 10 + 1 + 211 + 101 + 121 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 101211101121195 and 101211101121204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101211101121223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250840429 + ... + 251243592.

It is an arithmetic number, because the mean of its divisors is an integer number (7030431518055).

Almost surely, 2^{101211101121222} is an apocalyptic number.

101211101121222 is an abundant number, since it is smaller than the sum of its proper divisors (123762707456538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101211101121222 is a wasteful number, since it uses less digits than its factorization.

101211101121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502087765 (or 502087759 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 101211101121222 its reverse (222121101112101), we get a palindrome (323332202233323).

The spelling of 101211101121222 in words is "one hundred one trillion, two hundred eleven billion, one hundred one million, one hundred twenty-one thousand, two hundred twenty-two".