1421602644100 has 36 divisors (see below), whose sum is σ = 3122044957584. Its totient is φ = 561789957280.

The previous prime is 1421602644083. The next prime is 1421602644109. The reversal of 1421602644100 is 14462061241.

It is a super-2 number, since 2×1421602644100² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1421602644109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85630414 + ... + 85647013.

It is an arithmetic number, because the mean of its divisors is an integer number (86723471044).

Almost surely, 2^{1421602644100} is an apocalyptic number.

1421602644100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1421602644100 is an abundant number, since it is smaller than the sum of its proper divisors (1700442313484).

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

1421602644100 is a wasteful number, since it uses less digits than its factorization.

1421602644100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171277524 (or 171277517 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The spelling of 1421602644100 in words is "one trillion, four hundred twenty-one billion, six hundred two million, six hundred forty-four thousand, one hundred".