1000212222111 has 16 divisors (see below), whose sum is σ = 1339940490240. Its totient is φ = 663650799840.

The previous prime is 1000212222101. The next prime is 1000212222197. The reversal of 1000212222111 is 1112222120001.

1000212222111 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1000212222111 - 2⁶ = 1000212222047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000212222101) 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, 250506 + ... + 1436376.

It is an arithmetic number, because the mean of its divisors is an integer number (83746280640).

Almost surely, 2^{1000212222111} is an apocalyptic number.

1000212222111 is a deficient number, since it is larger than the sum of its proper divisors (339728268129).

1000212222111 is a wasteful number, since it uses less digits than its factorization.

1000212222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187206.

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

Adding to 1000212222111 its reverse (1112222120001), we get a palindrome (2112434342112).

The spelling of 1000212222111 in words is "one trillion, two hundred twelve million, two hundred twenty-two thousand, one hundred eleven".