101021200221222 has 48 divisors (see below), whose sum is σ = 220658277565440. Its totient is φ = 33400291657200.

The previous prime is 101021200221211. The next prime is 101021200221239. The reversal of 101021200221222 is 222122002120101.

It is a happy number.

101021200221222 is a `hidden beast` number, since 1 + 0 + 1 + 0 + 21 + 200 + 221 + 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 = 101021200221195 and 101021200221204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5697654 + ... + 15313577.

It is an arithmetic number, because the mean of its divisors is an integer number (4597047449280).

Almost surely, 2^{101021200221222} is an apocalyptic number.

101021200221222 is an abundant number, since it is smaller than the sum of its proper divisors (119637077344218).

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

101021200221222 is a wasteful number, since it uses less digits than its factorization.

101021200221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21013409 (or 21013406 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 101021200221222 its reverse (222122002120101), we get a palindrome (323143202341323).

The spelling of 101021200221222 in words is "one hundred one trillion, twenty-one billion, two hundred million, two hundred twenty-one thousand, two hundred twenty-two".