201042226128 has 40 divisors (see below), whose sum is σ = 519393908448. Its totient is φ = 67009581952.

The previous prime is 201042226127. The next prime is 201042226129. The reversal of 201042226128 is 821622240102.

It is an interprime number because it is at equal distance from previous prime (201042226127) and next prime (201042226129).

It is a junction number, because it is equal to n+sod(n) for n = 201042226095 and 201042226104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201042226127) 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, 626026 + ... + 891062.

Almost surely, 2^201042226128 is an apocalyptic number.

It is an amenable number.

201042226128 is an abundant number, since it is smaller than the sum of its proper divisors (318351682320).

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

201042226128 is a wasteful number, since it uses less digits than its factorization.

201042226128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280851 (or 280845 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The spelling of 201042226128 in words is "two hundred one billion, forty-two million, two hundred twenty-six thousand, one hundred twenty-eight".