211021012201011 has 8 divisors (see below), whose sum is σ = 281366293886160. Its totient is φ = 140678202658272.

The previous prime is 211021012201003. The next prime is 211021012201033. The reversal of 211021012201011 is 110102210120112.

It is a happy number.

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

It is not a de Polignac number, because 211021012201011 - 2³ = 211021012201003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211021012201061) 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, 617836420 + ... + 618177873.

It is an arithmetic number, because the mean of its divisors is an integer number (35170786735770).

Almost surely, 2^{211021012201011} is an apocalyptic number.

211021012201011 is a deficient number, since it is larger than the sum of its proper divisors (70345281685149).

211021012201011 is a wasteful number, since it uses less digits than its factorization.

211021012201011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236071205.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 211021012201011 its reverse (110102210120112), we get a palindrome (321123222321123).

The spelling of 211021012201011 in words is "two hundred eleven trillion, twenty-one billion, twelve million, two hundred one thousand, eleven".