2101421410 has 32 divisors (see below), whose sum is σ = 4130989632. Its totient is φ = 763308480.

The previous prime is 2101421369. The next prime is 2101421437. The reversal of 2101421410 is 141241012.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94084 + ... + 114256.

It is an arithmetic number, because the mean of its divisors is an integer number (129093426).

Almost surely, 2^2101421410 is an apocalyptic number.

2101421410 is a deficient number, since it is larger than the sum of its proper divisors (2029568222).

2101421410 is a wasteful number, since it uses less digits than its factorization.

2101421410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21138.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 2101421410 is about 45841.2631806760. The cubic root of 2101421410 is about 1280.8680249088.

Adding to 2101421410 its reverse (141241012), we get a palindrome (2242662422).

It can be divided in two parts, 21014 and 21410, that added together give a palindrome (42424).

The spelling of 2101421410 in words is "two billion, one hundred one million, four hundred twenty-one thousand, four hundred ten".