1200110021211 has 16 divisors (see below), whose sum is σ = 1637911045760. Its totient is φ = 781203709440.

The previous prime is 1200110021197. The next prime is 1200110021239. The reversal of 1200110021211 is 1121200110021.

It is not a de Polignac number, because 1200110021211 - 2⁶ = 1200110021147 is a prime.

It is a super-2 number, since 2×1200110021211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200110021291) 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, 1182406 + ... + 1948923.

It is an arithmetic number, because the mean of its divisors is an integer number (102369440360).

Almost surely, 2^{1200110021211} is an apocalyptic number.

1200110021211 is a deficient number, since it is larger than the sum of its proper divisors (437801024549).

1200110021211 is a wasteful number, since it uses less digits than its factorization.

1200110021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3134346.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1200110021211 its reverse (1121200110021), we get a palindrome (2321310131232).

The spelling of 1200110021211 in words is "one trillion, two hundred billion, one hundred ten million, twenty-one thousand, two hundred eleven".