21214026151000 has 32 divisors (see below), whose sum is σ = 49640821195680. Its totient is φ = 8485610460000.

The previous prime is 21214026150997. The next prime is 21214026151013. The reversal of 21214026151000 is 15162041212.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent 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, 10607012076 + ... + 10607014075.

It is an arithmetic number, because the mean of its divisors is an integer number (1551275662365).

Almost surely, 2^{21214026151000} is an apocalyptic number.

21214026151000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21214026151000 is an abundant number, since it is smaller than the sum of its proper divisors (28426795044680).

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

21214026151000 is a wasteful number, since it uses less digits than its factorization.

21214026151000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21214026172 (or 21214026158 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 21214026151000 its reverse (15162041212), we get a palindrome (21229188192212).

The spelling of 21214026151000 in words is "twenty-one trillion, two hundred fourteen billion, twenty-six million, one hundred fifty-one thousand".