1101212001111 has 32 divisors (see below), whose sum is σ = 1534417178112. Its totient is φ = 701170595840.

The previous prime is 1101212001091. The next prime is 1101212001137. The reversal of 1101212001111 is 1111002121011.

It is not a de Polignac number, because 1101212001111 - 2¹⁴ = 1101211984727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101212001161) 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, 180139591 + ... + 180145703.

It is an arithmetic number, because the mean of its divisors is an integer number (47950536816).

Almost surely, 2^{1101212001111} is an apocalyptic number.

1101212001111 is a deficient number, since it is larger than the sum of its proper divisors (433205177001).

1101212001111 is a wasteful number, since it uses less digits than its factorization.

1101212001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9623.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1101212001111 its reverse (1111002121011), we get a palindrome (2212214122122).

The spelling of 1101212001111 in words is "one trillion, one hundred one billion, two hundred twelve million, one thousand, one hundred eleven".