102201121011 has 32 divisors (see below), whose sum is σ = 156512090880. Its totient is φ = 58668105600.

The previous prime is 102201120997. The next prime is 102201121037. The reversal of 102201121011 is 110121102201.

It is not a de Polignac number, because 102201121011 - 2⁷ = 102201120883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102201121511) 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, 3736461 + ... + 3763713.

It is an arithmetic number, because the mean of its divisors is an integer number (4891002840).

Almost surely, 2^102201121011 is an apocalyptic number.

102201121011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102201121011 is a deficient number, since it is larger than the sum of its proper divisors (54310969869).

102201121011 is a wasteful number, since it uses less digits than its factorization.

102201121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33267.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 102201121011 its reverse (110121102201), we get a palindrome (212322223212).

The spelling of 102201121011 in words is "one hundred two billion, two hundred one million, one hundred twenty-one thousand, eleven".