1001020010111 has 8 divisors (see below), whose sum is σ = 1092105748944. Its totient is φ = 909948257920.

The previous prime is 1001020010057. The next prime is 1001020010147. The reversal of 1001020010111 is 1110100201001.

It is a happy number.

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 1001020010111 - 2⁶ = 1001020010047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001020010171) 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, 3346730 + ... + 3633543.

It is an arithmetic number, because the mean of its divisors is an integer number (136513218618).

Almost surely, 2^{1001020010111} is an apocalyptic number.

1001020010111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1001020010111 is a deficient number, since it is larger than the sum of its proper divisors (91085738833).

1001020010111 is a wasteful number, since it uses less digits than its factorization.

1001020010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6993321.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 1001020010111 its reverse (1110100201001), we get a palindrome (2111120211112).

The spelling of 1001020010111 in words is "one trillion, one billion, twenty million, ten thousand, one hundred eleven".