10200121662 has 48 divisors (see below), whose sum is σ = 21037985280. Its totient is φ = 3296016576.

The previous prime is 10200121661. The next prime is 10200121663. The reversal of 10200121662 is 26612100201.

It is an interprime number because it is at equal distance from previous prime (10200121661) and next prime (10200121663).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10200121661) 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, 1883763 + ... + 1889169.

It is an arithmetic number, because the mean of its divisors is an integer number (438291360).

Almost surely, 2^10200121662 is an apocalyptic number.

10200121662 is an abundant number, since it is smaller than the sum of its proper divisors (10837863618).

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

10200121662 is an equidigital number, since it uses as much as digits as its factorization.

10200121662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5617 (or 5544 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 10200121662 its reverse (26612100201), we get a palindrome (36812221863).

The spelling of 10200121662 in words is "ten billion, two hundred million, one hundred twenty-one thousand, six hundred sixty-two".