1022012221210 has 16 divisors (see below), whose sum is σ = 1839721979592. Its totient is φ = 408782670400.

The previous prime is 1022012221207. The next prime is 1022012221213. The reversal of 1022012221210 is 121222102201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1022012221207) and next prime (1022012221213).

It can be written as a sum of positive squares in 4 ways, for example, as 676636211241 + 345376009969 = 822579^2 + 587687^2 .

It is not an unprimeable number, because it can be changed into a prime (1022012221213) 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, 2583421 + ... + 2952640.

Almost surely, 2^{1022012221210} is an apocalyptic number.

1022012221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1022012221210 is a deficient number, since it is larger than the sum of its proper divisors (817709758382).

1022012221210 is a wasteful number, since it uses less digits than its factorization.

1022012221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5554529.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1022012221210 its reverse (121222102201), we get a palindrome (1143234323411).

The spelling of 1022012221210 in words is "one trillion, twenty-two billion, twelve million, two hundred twenty-one thousand, two hundred ten".