2210121012 has 96 divisors (see below), whose sum is σ = 5788629504. Its totient is φ = 650620800.

The previous prime is 2210120999. The next prime is 2210121049. The reversal of 2210121012 is 2101210122.

2210121012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 666663 + ... + 669969.

It is an arithmetic number, because the mean of its divisors is an integer number (60298224).

Almost surely, 2^2210121012 is an apocalyptic number.

2210121012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2210121012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2894314752).

2210121012 is an abundant number, since it is smaller than the sum of its proper divisors (3578508492).

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

2210121012 is a wasteful number, since it uses less digits than its factorization.

2210121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3469 (or 3467 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2210121012 is about 47011.9241469651. The cubic root of 2210121012 is about 1302.5828358402.

Adding to 2210121012 its reverse (2101210122), we get a palindrome (4311331134).

It can be divided in two parts, 2 and 210121012, that multiplied together give a palindrome (420242024).

The spelling of 2210121012 in words is "two billion, two hundred ten million, one hundred twenty-one thousand, twelve".