140421022111100 has 72 divisors (see below), whose sum is σ = 307925288655600. Its totient is φ = 55577790489600.

The previous prime is 140421022111067. The next prime is 140421022111121. The reversal of 140421022111100 is 1111220124041.

It is a super-4 number, since 4×140421022111100⁴ (a number of 58 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 661181 + ... + 16771380.

Almost surely, 2^{140421022111100} is an apocalyptic number.

140421022111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140421022111100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153962644327800).

140421022111100 is an abundant number, since it is smaller than the sum of its proper divisors (167504266544500).

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

140421022111100 is a wasteful number, since it uses less digits than its factorization.

140421022111100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17433423 (or 17433416 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 140421022111100 its reverse (1111220124041), we get a palindrome (141532242235141).

The spelling of 140421022111100 in words is "one hundred forty trillion, four hundred twenty-one billion, twenty-two million, one hundred eleven thousand, one hundred".