21400101202 has 16 divisors (see below), whose sum is σ = 32297693760. Its totient is φ = 10634271088.

The previous prime is 21400101197. The next prime is 21400101221. The reversal of 21400101202 is 20210100412.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 656043 + ... + 687889.

It is an arithmetic number, because the mean of its divisors is an integer number (2018605860).

Almost surely, 2^21400101202 is an apocalyptic number.

21400101202 is a deficient number, since it is larger than the sum of its proper divisors (10897592558).

21400101202 is a wasteful number, since it uses less digits than its factorization.

21400101202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33905.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 21400101202 its reverse (20210100412), we get a palindrome (41610201614).

The spelling of 21400101202 in words is "twenty-one billion, four hundred million, one hundred one thousand, two hundred two".