421101001092 has 24 divisors (see below), whose sum is σ = 982644040000. Its totient is φ = 140356280736.

The previous prime is 421101001019. The next prime is 421101001103. The reversal of 421101001092 is 290100101124.

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, 1175467 + ... + 1491282.

Almost surely, 2^421101001092 is an apocalyptic number.

It is an amenable number.

421101001092 is an abundant number, since it is smaller than the sum of its proper divisors (561543038908).

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

421101001092 is a wasteful number, since it uses less digits than its factorization.

421101001092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2679915 (or 2679913 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 421101001092 in words is "four hundred twenty-one billion, one hundred one million, one thousand, ninety-two".