1020100221196 has 24 divisors (see below), whose sum is σ = 2041692984576. Its totient is φ = 436865978640.

The previous prime is 1020100221193. The next prime is 1020100221197. The reversal of 1020100221196 is 6911220010201.

It is a happy number.

It is a super-2 number, since 2×1020100221196² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1020100221196.

It is not an unprimeable number, because it can be changed into a prime (1020100221193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13287310 + ... + 13363861.

It is an arithmetic number, because the mean of its divisors is an integer number (85070541024).

Almost surely, 2^{1020100221196} is an apocalyptic number.

It is an amenable number.

1020100221196 is an abundant number, since it is smaller than the sum of its proper divisors (1021592763380).

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

1020100221196 is a wasteful number, since it uses less digits than its factorization.

1020100221196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26652549 (or 26652547 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 25.

Adding to 1020100221196 its reverse (6911220010201), we get a palindrome (7931320231397).

The spelling of 1020100221196 in words is "one trillion, twenty billion, one hundred million, two hundred twenty-one thousand, one hundred ninety-six".