100120212001011 has 32 divisors (see below), whose sum is σ = 139176474035200. Its totient is φ = 63964002136320.

The previous prime is 100120212001009. The next prime is 100120212001037. The reversal of 100120212001011 is 110100212021001.

It is not a de Polignac number, because 100120212001011 - 2¹ = 100120212001009 is a prime.

It is a super-2 number, since 2×100120212001011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100120212001091) 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, 10371325 + ... + 17544366.

It is an arithmetic number, because the mean of its divisors is an integer number (4349264813600).

Almost surely, 2^{100120212001011} is an apocalyptic number.

100120212001011 is a deficient number, since it is larger than the sum of its proper divisors (39056262034189).

100120212001011 is a wasteful number, since it uses less digits than its factorization.

100120212001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27916219.

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

Adding to 100120212001011 its reverse (110100212021001), we get a palindrome (210220424022012).

The spelling of 100120212001011 in words is "one hundred trillion, one hundred twenty billion, two hundred twelve million, one thousand, eleven".