211201001011 has 32 divisors (see below), whose sum is σ = 283714841088. Its totient is φ = 151835523840.

The previous prime is 211201000961. The next prime is 211201001029. The reversal of 211201001011 is 110100102112.

It is not a de Polignac number, because 211201001011 - 2¹³ = 211200992819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211201002011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1952335 + ... + 2057671.

It is an arithmetic number, because the mean of its divisors is an integer number (8866088784).

Almost surely, 2^211201001011 is an apocalyptic number.

211201001011 is a deficient number, since it is larger than the sum of its proper divisors (72513840077).

211201001011 is a wasteful number, since it uses less digits than its factorization.

211201001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107371.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 211201001011 its reverse (110100102112), we get a palindrome (321301103123).

The spelling of 211201001011 in words is "two hundred eleven billion, two hundred one million, one thousand, eleven".