1020001210122 has 8 divisors (see below), whose sum is σ = 2040002420256. Its totient is φ = 340000403372.

The previous prime is 1020001210087. The next prime is 1020001210139. The reversal of 1020001210122 is 2210121000201.

It is a sphenic number, since it is the product of 3 distinct primes.

1020001210122 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1020001210098 and 1020001210107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85000100838 + ... + 85000100849.

It is an arithmetic number, because the mean of its divisors is an integer number (255000302532).

Almost surely, 2^{1020001210122} is an apocalyptic number.

1020001210122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1020001210122 is a wasteful number, since it uses less digits than its factorization.

1020001210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170000201692.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1020001210122 its reverse (2210121000201), we get a palindrome (3230122210323).

The spelling of 1020001210122 in words is "one trillion, twenty billion, one million, two hundred ten thousand, one hundred twenty-two".