11212100142 has 8 divisors (see below), whose sum is σ = 22424200296. Its totient is φ = 3737366712.

The previous prime is 11212100101. The next prime is 11212100143. The reversal of 11212100142 is 24100121211.

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

11212100142 is an admirable number.

It is a super-2 number, since 2×11212100142² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212100143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 934341673 + ... + 934341684.

It is an arithmetic number, because the mean of its divisors is an integer number (2803025037).

Almost surely, 2^11212100142 is an apocalyptic number.

11212100142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11212100142 is a wasteful number, since it uses less digits than its factorization.

11212100142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868683362.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11212100142 its reverse (24100121211), we get a palindrome (35312221353).

The spelling of 11212100142 in words is "eleven billion, two hundred twelve million, one hundred thousand, one hundred forty-two".