120101212011 has 32 divisors (see below), whose sum is σ = 181190658816. Its totient is φ = 70120080000.

The previous prime is 120101211991. The next prime is 120101212013. The reversal of 120101212011 is 110212101021.

It is not a de Polignac number, because 120101212011 - 2¹³ = 120101203819 is a prime.

It is a super-2 number, since 2×120101212011² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120101212013) 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, 363625 + ... + 610266.

It is an arithmetic number, because the mean of its divisors is an integer number (5662208088).

Almost surely, 2^120101212011 is an apocalyptic number.

120101212011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120101212011 is a deficient number, since it is larger than the sum of its proper divisors (61089446805).

120101212011 is a wasteful number, since it uses less digits than its factorization.

120101212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974043.

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

Adding to 120101212011 its reverse (110212101021), we get a palindrome (230313313032).

The spelling of 120101212011 in words is "one hundred twenty billion, one hundred one million, two hundred twelve thousand, eleven".