101011212121222 has 8 divisors (see below), whose sum is σ = 163171958042016. Its totient is φ = 46620559440552.

The previous prime is 101011212121219. The next prime is 101011212121241. The reversal of 101011212121222 is 222121212110101.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 101011212121222.

It is a congruent number.

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, 1942523309998 + ... + 1942523310049.

It is an arithmetic number, because the mean of its divisors is an integer number (20396494755252).

Almost surely, 2^{101011212121222} is an apocalyptic number.

101011212121222 is a deficient number, since it is larger than the sum of its proper divisors (62160745920794).

101011212121222 is a wasteful number, since it uses less digits than its factorization.

101011212121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3885046620062.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 101011212121222 its reverse (222121212110101), we get a palindrome (323132424231323).

The spelling of 101011212121222 in words is "one hundred one trillion, eleven billion, two hundred twelve million, one hundred twenty-one thousand, two hundred twenty-two".