211011020001 has 24 divisors (see below), whose sum is σ = 326981753280. Its totient is φ = 135823180752.

The previous prime is 211011019939. The next prime is 211011020009. The reversal of 211011020001 is 100020110112.

It is a happy number.

It is not a de Polignac number, because 211011020001 - 2¹⁷ = 211010888929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (211011020009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14964645 + ... + 14978738.

It is an arithmetic number, because the mean of its divisors is an integer number (13624239720).

Almost surely, 2^211011020001 is an apocalyptic number.

It is an amenable number.

211011020001 is a deficient number, since it is larger than the sum of its proper divisors (115970733279).

211011020001 is an equidigital number, since it uses as much as digits as its factorization.

211011020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29943427 (or 29943415 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 211011020001 its reverse (100020110112), we get a palindrome (311031130113).

The spelling of 211011020001 in words is "two hundred eleven billion, eleven million, twenty thousand, one".