10212222120102 has 48 divisors (see below), whose sum is σ = 22727928015312. Its totient is φ = 3311571574080.

The previous prime is 10212222120077. The next prime is 10212222120109. The reversal of 10212222120102 is 20102122221201.

It is a happy number.

10212222120102 is a `hidden beast` number, since 10 + 212 + 222 + 120 + 102 = 666.

It is a super-3 number, since 3×10212222120102³ (a number of 40 digits) contains 333 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212222120109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3265077 + ... + 5575407.

It is an arithmetic number, because the mean of its divisors is an integer number (473498500319).

Almost surely, 2^{10212222120102} is an apocalyptic number.

10212222120102 is an abundant number, since it is smaller than the sum of its proper divisors (12515705895210).

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

10212222120102 is a wasteful number, since it uses less digits than its factorization.

10212222120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2317013 (or 2317010 counting only the distinct ones).

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

Adding to 10212222120102 its reverse (20102122221201), we get a palindrome (30314344341303).

The spelling of 10212222120102 in words is "ten trillion, two hundred twelve billion, two hundred twenty-two million, one hundred twenty thousand, one hundred two".