106212001155 has 16 divisors (see below), whose sum is σ = 183011448480. Its totient is φ = 52288985088.

The previous prime is 106212001153. The next prime is 106212001201. The reversal of 106212001155 is 551100212601.

It is not a de Polignac number, because 106212001155 - 2¹ = 106212001153 is a prime.

It is a super-2 number, since 2×106212001155² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106212001153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272338270 + ... + 272338659.

It is an arithmetic number, because the mean of its divisors is an integer number (11438215530).

Almost surely, 2^106212001155 is an apocalyptic number.

106212001155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

106212001155 is a deficient number, since it is larger than the sum of its proper divisors (76799447325).

106212001155 is a wasteful number, since it uses less digits than its factorization.

106212001155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544676950.

The product of its (nonzero) digits is 600, while the sum is 24.

Adding to 106212001155 its reverse (551100212601), we get a palindrome (657312213756).

The spelling of 106212001155 in words is "one hundred six billion, two hundred twelve million, one thousand, one hundred fifty-five".