940021220100 has 72 divisors (see below), whose sum is σ = 2726076388000. Its totient is φ = 250093370880.

The previous prime is 940021220081. The next prime is 940021220107. The reversal of 940021220100 is 1022120049.

It is not an unprimeable number, because it can be changed into a prime (940021220107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3488350 + ... + 3748149.

Almost surely, 2^940021220100 is an apocalyptic number.

It is an amenable number.

940021220100 is an abundant number, since it is smaller than the sum of its proper divisors (1786055167900).

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

940021220100 is a wasteful number, since it uses less digits than its factorization.

940021220100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7236949 (or 7236942 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 940021220100 its reverse (1022120049), we get a palindrome (941043340149).

The spelling of 940021220100 in words is "nine hundred forty billion, twenty-one million, two hundred twenty thousand, one hundred".