100121001211122 has 32 divisors (see below), whose sum is σ = 205654846320000. Its totient is φ = 32471534297088.

The previous prime is 100121001211081. The next prime is 100121001211139. The reversal of 100121001211122 is 221112100121001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57888754 + ... + 59593202.

It is an arithmetic number, because the mean of its divisors is an integer number (6426713947500).

Almost surely, 2^{100121001211122} is an apocalyptic number.

100121001211122 is an abundant number, since it is smaller than the sum of its proper divisors (105533845108878).

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

100121001211122 is a wasteful number, since it uses less digits than its factorization.

100121001211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969090.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 100121001211122 its reverse (221112100121001), we get a palindrome (321233101332123).

The spelling of 100121001211122 in words is "one hundred trillion, one hundred twenty-one billion, one million, two hundred eleven thousand, one hundred twenty-two".