10121021202222 has 48 divisors (see below), whose sum is σ = 26535786687072. Its totient is φ = 2721619146240.

The previous prime is 10121021202217. The next prime is 10121021202371. The reversal of 10121021202222 is 22220212012101.

It is a happy number.

10121021202222 is a `hidden beast` number, since 10 + 1 + 210 + 21 + 202 + 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 = 10121021202195 and 10121021202204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2362514479 + ... + 2362518762.

It is an arithmetic number, because the mean of its divisors is an integer number (552828889314).

Almost surely, 2^{10121021202222} is an apocalyptic number.

10121021202222 is an abundant number, since it is smaller than the sum of its proper divisors (16414765484850).

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

10121021202222 is a wasteful number, since it uses less digits than its factorization.

10121021202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4725033273 (or 4725033270 counting only the distinct ones).

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

Adding to 10121021202222 its reverse (22220212012101), we get a palindrome (32341233214323).

The spelling of 10121021202222 in words is "ten trillion, one hundred twenty-one billion, twenty-one million, two hundred two thousand, two hundred twenty-two".