1021200011214 has 16 divisors (see below), whose sum is σ = 2043700104960. Its totient is φ = 340183323320.

The previous prime is 1021200011213. The next prime is 1021200011261. The reversal of 1021200011214 is 4121100021201.

It is a junction number, because it is equal to n+sod(n) for n = 1021200011193 and 1021200011202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021200011213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54159894 + ... + 54178745.

It is an arithmetic number, because the mean of its divisors is an integer number (127731256560).

Almost surely, 2^{1021200011214} is an apocalyptic number.

1021200011214 is an abundant number, since it is smaller than the sum of its proper divisors (1022500093746).

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

1021200011214 is a wasteful number, since it uses less digits than its factorization.

1021200011214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108340215.

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

Adding to 1021200011214 its reverse (4121100021201), we get a palindrome (5142300032415).

The spelling of 1021200011214 in words is "one trillion, twenty-one billion, two hundred million, eleven thousand, two hundred fourteen".