1901010101011 has 8 divisors (see below), whose sum is σ = 2172682538240. Its totient is φ = 1629362555208.

The previous prime is 1901010100993. The next prime is 1901010101041. The reversal of 1901010101011 is 1101010101091.

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

It is a cyclic number.

It is not a de Polignac number, because 1901010101011 - 2³¹ = 1898862617363 is a prime.

It is a super-2 number, since 2×1901010101011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1901010101041) 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, 6058911 + ... + 6364936.

It is an arithmetic number, because the mean of its divisors is an integer number (271585317280).

Almost surely, 2^{1901010101011} is an apocalyptic number.

1901010101011 is a deficient number, since it is larger than the sum of its proper divisors (271672437229).

1901010101011 is a wasteful number, since it uses less digits than its factorization.

1901010101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12445713.

The product of its (nonzero) digits is 9, while the sum is 16.

The spelling of 1901010101011 in words is "one trillion, nine hundred one billion, ten million, one hundred one thousand, eleven".