1911010221002 has 8 divisors (see below), whose sum is σ = 2866844880000. Its totient is φ = 955395261004.

The previous prime is 1911010220989. The next prime is 1911010221049. The reversal of 1911010221002 is 2001220101191.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1911010221002² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54903002 + ... + 54937797.

It is an arithmetic number, because the mean of its divisors is an integer number (358355610000).

Almost surely, 2^{1911010221002} is an apocalyptic number.

1911010221002 is a deficient number, since it is larger than the sum of its proper divisors (955834658998).

1911010221002 is a wasteful number, since it uses less digits than its factorization.

1911010221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109849500.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 1911010221002 its reverse (2001220101191), we get a palindrome (3912230322193).

The spelling of 1911010221002 in words is "one trillion, nine hundred eleven billion, ten million, two hundred twenty-one thousand, two".