10102222121012 has 18 divisors (see below), whose sum is σ = 20565237889602. Its totient is φ = 4329523766064.

The previous prime is 10102222120973. The next prime is 10102222121023. The reversal of 10102222121012 is 21012122220101.

It can be written as a sum of positive squares in only one way, i.e., 5100352492816 + 5001869628196 = 2258396^2 + 2236486^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25770974603 + ... + 25770974994.

It is an arithmetic number, because the mean of its divisors is an integer number (1142513216089).

Almost surely, 2^{10102222121012} is an apocalyptic number.

It is an amenable number.

10102222121012 is an abundant number, since it is smaller than the sum of its proper divisors (10463015768590).

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

10102222121012 is a wasteful number, since it uses less digits than its factorization.

10102222121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51541949615 (or 51541949606 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10102222121012 its reverse (21012122220101), we get a palindrome (31114344341113).

The spelling of 10102222121012 in words is "ten trillion, one hundred two billion, two hundred twenty-two million, one hundred twenty-one thousand, twelve".